Alphabetical listing of Heritage Begonia cultivars
"Those 25 years old or older (pre 1982)"

• Cultivar name; Hybridizer;Date of hybridization.

• 'Abel Carriere' Svahn 1878
  --------------------- Rex cultorum X evansiana , rex cultorum
• 'Abu-Dhabi' Worley P J 1980
  --------------------- bowerae var. nigramarga X violifolia , rhizomatous
• 'Acibar' Michelson FO. 1971
  --------------------- acida X bartonea hort. , cane-like
• 'Acicon' Michelson 1961
  --------------------- acida X convolvulacea , trailing/scandent
• 'Ada Lake' Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X imperialis var. maculata , rhizomatous
• 'Adrien Schmidt' --- 1888
  --------------------- rex X diadema , rex cultorum
• 'Agnes Kennison' Lund S. 1978
  --------------------- 'Erythrophylla' mutation --- , rhizomatous
• 'Agnestee' Schwerdtfeger L. 1961
  --------------------- venosa X vellozana ( is olsoniae) , ---
• 'Agulis' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Airy Ashes' Philip 1980
  --------------------- --- --- , rex cultorum
• 'Aislee' Cooper C. 1966
  --------------------- 'Cernaroa' selfed --- , cane-like
• 'Akane' Sakakibara 1973
  --------------------- 'Kifujin' X 'Black Magic' , rhizomatous
• 'Akatombo' Misono 1978
  --------------------- bowerae var. nigramarga X wollnyi , thick-stemmed
• 'Al Clark' Ziesenhenne R. 1975
  --------------------- alice-clarkiae X imperialis var. brunnea , rhizomatous
• 'Alamo' Cooper C. 1966
  --------------------- manicata X Cuban species No. 3 , rhizomatous
• 'Alexandri Arndt' Cole B. 1981
  --------------------- unknown X unknown (chance seedling) , semperfloren
• 'Alfreans' Robinson AD. 1937
  --------------------- 'Mrs. H.G. Moon' X cathayana , rhizomatous
• 'Alhambra' Worley P J 1980
  --------------------- olsoniae X gehrtii , shrub-like
• 'Alice G.' Frost G. 1975
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Alice Ganns' Cole B. 1979
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Alice-Mac' Schwerdtfeger L. 1953
  --------------------- imperialis X macdougallii (is thiemei ) , rhizomatous
• 'All American Boy' Cole B. 1977
  --------------------- 'Cachuma' X manicata 'Crispa' hort. , rhizomatous
• 'Allen Langdon' Blackmore & Langdon 1972
  --------------------- --- --- , tuberous
• 'Alleryi' Allery 1904
  --------------------- metallica X gigantea , shrub-like
• 'Alparu' Yorke B. 1977
  --------------------- 'Roi' X heracleifolia var. nigricans , rhizomatous
• 'Alpha Gere' Shippy 1940
  --------------------- dichroa X scandens , trailing/scandent
• 'Alta Colleen' Oribata J. 1973
  --------------------- 'Lenore Olivier' X unidentified ABS Seed Fund , cane-like
• 'Alta Maiden' Gillingwators M. 1954
  --------------------- scharffiana X 'Indian Maid' , shrub-like
• 'Alto Scharff' Woodriff 1945
  --------------------- scharffiana X 'Alto da Serra' , shrub-like
• 'Alva Graham' Kusler B. 1975
  --------------------- olsoniae X Brazil species No. 4 , shrub-like
• 'Alzasco' Robinson AD. 1933
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Amber Meyer' Worley P J 1982
  --------------------- 'Mandarin X suffruticosa x dregei , cane-like
• 'American Beauty' Lewis H. 1949
  --------------------- --- --- , rex cultorum
• 'Amy' Breshears A. 1955
  --------------------- kenworthyae X 'Starfolia' , rex cultorum
• 'Andi' Meyer EA. Mrs. 1974
  --------------------- 'Weltonensis' X 'Lucille Rolfe' , cane-like
• 'Anita Roseanna' Nesbit J. 1948
  --------------------- dichroa X rubra hort. ( is coccinea ) , cane-like
• 'Ann Meyers' Meyers 1981
  --------------------- --- --- , rex cultorum
• 'Anna Christine' Kusler AJ. 1955
  --------------------- 'Salmon Rubra' X dichroa , cane-like
• 'Annabelle' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Anne Fergis' Lowe P. 1982
  --------------------- 'Yanonali' X 'Green Giant' , rhizomatous
• 'Anne Swain' Frost G. 1976
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Annette' Philips B. 1975
  --------------------- unknown parentage --- , rex cultorum
• 'Annette Sue' Gillingwators M. 1954
  --------------------- 'Bonnie Jean' X unnamed Rex Cultorum seedling , rhizomatous
• 'Apache' Wagner WW. 1975
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'Apollo' Kartuz M. 1969
  --------------------- lubbersii X 'Laura Englebert' , cane-like
• 'Apple Blossom' Shepherd 1901
  --------------------- --- --- , semperfloren
• 'Applesauce' Cole & Cook 1976
  --------------------- 'Lee's No. 9' X 'Old Witch' , rex cultorum
• 'Applesauce Pink' Cole B. 1978
  --------------------- 'Lee's No. 9' X 'Old Witch' , rex cultorum
• 'Aprodite Cherry Red' Rieger 1981
  --------------------- --- --- , tuberous, hiemalis
• 'Aprodite Pink' Rieger 1981
  --------------------- --- --- , tuberous, hiemalis
• 'Aquamarine' Zug S. 1954
  --------------------- ludwigii X 'Silvador' , rhizomatous
• 'Arabelle' Bower CD. 1952
  --------------------- 'Margaritacea' X 'Lulu Bower' , cane-like
• 'Arcola' Standford U.U. 1967
  --------------------- 'Joe Hayden' X unknown , rhizomatous
• 'Argentea-guttata' Lemoine 1881
  --------------------- albo-picta X olbia , shrub-like
• 'Aries' O'Reilly T. 1970
  --------------------- 'Norah Bedson' X 'Leslie Lynn' , rhizomatous
• 'Arlene' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Art' Ziesenhenne R. 1975
  --------------------- lindleyana X hidalgensis ( or dayii, is glandulosa) , rhizomatous
• 'Arthur Mallet' Lionnet ---
  --------------------- incarnata var. purpurascens X 'Eldorado' , cane-like
• 'Audree' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Audrey Anthony' Leatherman S. 1954
  --------------------- 'Grayback Mountain' X 'Silvertone' , rhizomatous
• 'Audrey Brenda' Orihata J. 1974
  --------------------- 'Margaritacea' X 'Lily of the Valley' , cane-like
• 'Aya' Shigemi H. 1982
  --------------------- --- --- , cane-like
• 'Ayer Bergen' Orihata J. 1974
  --------------------- 'Pinafore' X lubbersii , cane-like
• 'Babe Lewis' Cole B. 1978
  --------------------- 'This 'N That' X 'Lee's No. 9' , rex cultorum
• 'Baby Bunting' Turner M. 1952
  --------------------- chance seedling --- , semp. or shrub-like ?
• 'Baby Down' Lowe PP. 1973
  --------------------- bowerae X unknown , rhizomatous
• 'Baby Dress' Ashikawa 1980
  --------------------- NB102 X 'Baby Perfection' , ---
• 'Baby Fingers' Nolan G. ( or Zug ?) 1960
  --------------------- 'Carolyn Ann' X 'Edith M.' , rhizomatous
• 'Baby Rainbow' Woodriff 1940
  --------------------- --- --- , rex cultorum
• 'Baby Rosebud' Woodriff 1980
  --------------------- Tuberous cultivar X attenuata , tuberous
• 'Baby's Breath' Frost G. 1978
  --------------------- mazae forma. nigricans X bowerae var. nigramarga , rhizomatous
• 'Bangles' O'Reilly T. 1977
  --------------------- dregei X olbia , thick-stemmed
• 'Bantam Gem' Jensen CF. 1965
  --------------------- Rex cultivar X hanging tuberous , rex cultorum
• 'Bantu' Cole B. 1978
  --------------------- 'Big Boy' X Cora Miller' , rex cultorum
• 'Barassi' Yorke B. 1977
  --------------------- 'Roi' X heracleifolia var. nigricans , rhizomatous
• 'Barbara Anne' Kusler B. 1973
  --------------------- lubbersii X 'Lenore Olivier' , cane-like
• 'Barbara Lepisto' Lepisto G. 1975
  --------------------- versicolor X 'John Blais' , rex cultorum
• 'Barbara Neptune' Lepisto G. 1975
  --------------------- versicolor X 'John Blais' , rex cultorum
• 'Bardon Hills' Burley H. 1975
  --------------------- 'Ricinifolia' X 'Arcola' , rhizomatous
• 'Bea Farmer? Nuss I. 1978
  --------------------- 'Jumbo Jet' X unknown , cane-like
• 'Beatrice Haddrell' Merry P.I. 1955
  --------------------- bowerae X heracleifolia 'Sunderbruchii' , rhizomatous
• 'Beau Rouge' Wyrtzen J. 1973
  --------------------- chance seedling --- , rex cultorum
• 'Bebe' Beck 1981
  --------------------- lanceolata X Persian Brocade' , rhizomatous
• 'Bedford Delight' Yorke B. 1981
  --------------------- 'Bokit' X bowerae var. nigramarga , rhizomatous
• 'Bellagio' Robinson AD. 1933
  --------------------- --- --- , cane-like
• 'Benitochiba' Misono 1973
  --------------------- 'Filigree' X luxurians , rhizomatous
• 'Benitsubomi' Misono 1978
  --------------------- 'Al Clark' X imperialis var. brunnea , rhizomatous
• 'Bennett Rubra' Robinson AD. 1932
  --------------------- --- --- , cane-like
• 'Bernice Decker' Decker B. 1973
  --------------------- 'Spaulding' X 'Joe Hayden' , rhizomatous
• 'Bernsteins Gelbe' Rieger 1974
  --------------------- Mutation of 'Riegers Lachorange' --- , tuberous, hiemalis
• 'Bert Slatter' Ziesenhenne R. 1953
  --------------------- incarnata X kenworthyae , thick-stemmed or shrub-like?
• 'Beryl' Stanley RW. Mrs. 1969
  --------------------- 'Bunchii' X unknown , rhizomatous
• 'Bess' Ziesenhenne R. 1977
  --------------------- 'Madame Queen' X carrieae , rhizomatous
• 'Bess Cocroft' Lowe PP. 1972
  --------------------- 'Silver Sweet' X unknown Rex cultivar , rex cultorum
• 'Bessie Buxton' Everett 1939
  --------------------- --- --- , thick-stemmed
• 'Bethlehem Star' Wagner WW. 1975
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'Bettina Rothschild' nursery, city of Paris 1866
  --------------------- robusta var. rubra X annulata , ---
• 'Bewitched' Philip B. 1980
  --------------------- Rex cultivar --- , rex cultorum
• 'Bibbi' Meyer M. 1973
  --------------------- parents unknown --- , rhizomatous
• 'Big Beauty' Barnes 1951
  --------------------- --- --- , rex cultorum
• 'Big Decora' Ashizawa A. ---
  --------------------- decora X goegoensis , ---
• 'Big Mac' Lowe P. 1982
  --------------------- 'Ethyl-Bee' X macdougallii , rhizomatous
• 'Big Red' Lee 1964
  --------------------- --- --- , rex cultorum
• 'Big Round' Blanton M. 1978
  --------------------- --- --- , thick-stemmed
• 'Big Z' (or 'Big Zug') Zug S. 1981
  --------------------- --- --- , rhizomatous
• 'Bikerack #3' --- ---
  --------------------- --- --- , semperfloren-like
• 'Bill Cook' Cole B. 1975
  --------------------- macdougallii var. purpurea hort. X wollnyi , rhizomatous
• 'Billiam' Cole B. 1976
  --------------------- macdougallii var. purpurea hort. X wollnyi , rhizomatous
• 'Bimpe' Meyer M. 1973
  --------------------- wallichiana X 'Lucille Rolfe' , semperfloren
• 'Black Beauty' Zug S. ~1957
  --------------------- unknown --- , rhizomatous (or rex c.?)
• 'Black Diamond' Woodriff 1942
  --------------------- --- --- , rex cultorum
• 'Black Lagoon' Philip 1978
  --------------------- --- --- , rex cultorum
• 'Black Monarch' Zug S. 1953
  --------------------- --- --- , rex cultorum
• 'Black Night' --- 1916
  --------------------- --- --- , rex cultorum
• 'Black Queen' Lowe PP. 1972
  --------------------- 'Black Monarch' X unknown , rex cultorum
• 'Black Raspberry' Lowe PP. 1972
  --------------------- acetosa X imperialis , rhizomatous
• 'Black Tea' Ashizawa 1973
  --------------------- 'Kufujin' X 'Norah Bedson' , rhizomatous
• 'Black Velvet' Standford U.U. 1967
  --------------------- 'Joe Hayden' X unknown , rhizomatous
• 'Black Watch' MacIntyre ML. 1970
  --------------------- 'Jordrell Bank' X 'Scottish Star' , rhizomatous
• 'Black Zip' Ziesenhenne R. 1977
  --------------------- 'Tracery' X 'Zip' , rhizomatous
• 'Blackbeard' Lowe PP. 1972
  --------------------- 'Black Monarch' X 'Bearded' , rex cultorum
• 'Blanc' Froebel 1876
  --------------------- pearcei X grandis ssp. evansiana , ---
• 'Bleeding Heart' Blake 1939
  --------------------- --- --- , shrub-like
• 'Bloodstone' Jeans K. 1980
  --------------------- 'Black Queen' X hatacoa 'Silver' , rex cultorum
• 'Blue Chip' Uemura 1971
  --------------------- 'Chumash' X 'China Doll' , rhizomatous
• 'Blue Lake' Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X imperialis var. maculata , shrub-like
• 'Blue Ridge' Dorsey DL. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Blue Waters' West M. ---
  --------------------- cathayana X unknown , ---
• 'Bo Peep' Logee 1949
  --------------------- --- --- , semperfloren
• 'Bob Smith' Leatherman S. 1954
  --------------------- 'Grace' X 'Snowdrift' , rhizomatous
• 'Bob-O-Link' Frey 1949/1993?
  --------------------- radicans X 'Richard the First' , trailing/scandent
• 'Bokit' Woodriff L. 1975
  --------------------- 'Bowtique' X 'Tiger Kittten' , rhizomatous
• 'Bolero' Worley P J 1979
  --------------------- unknown --- , rex cultorum
• 'Bonanza' Nuss I. 1978
  --------------------- 'Kentwood' X lubbersii , cane-like
• 'Bonnie Jean' Frey 1942
  --------------------- cathayana X 'Comtesse Louise Erdody') , rex cultorum
• 'Boston Blackie' Worley P J 1981
  --------------------- 'Starbaby' X 'Bow-Joe' , rhizomatous
• 'Bow Ling' Cole B. 1976
  --------------------- 'Bow Nigra' X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Bow Regard' Cole B. 1976
  --------------------- 'Bow Nigra' X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Bow Zoe' Cole B. 1976
  --------------------- 'Bow Nigra' X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Bow-Arriola' MacLanahan D. 1953
  --------------------- bowerae X 'Rouge' (equals C-42) , rhizomatous
• 'Bow-Chancee' MacLanahan D. 1953
  --------------------- bowerae X unknown , rhizomatous
• 'Bow-Joe' MacLanahan D. 1954
  --------------------- bowerae X 'Joe Hayden' , rhizomatous
• 'Bow-Nigra' MacLanahan D. 1953
  --------------------- bowerae X heracleifolia var. nigricans , rhizomatous
• 'Bowtique' Nave CF. 1972
  --------------------- (sport of 'Dark Forest' ? or ) kenworthyae X bowerae , rhizomatous
• 'Bowzip' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X 'Bow-Nigra' , ---
• 'Branddie Meyer' Worley P J 1982
  --------------------- 'Mandarin' X dregei x dregei , cane-like
• 'Breeches' Hunter J. 1954
  --------------------- dichroa X undulata , cane-like
• 'Bright Eyes' MacLanahan D. 1954
  --------------------- 'John R' X 'Rouge' (equals C-42) , rhizomatous
• 'Brocade' Shippy B. 1952
  --------------------- 'Silver Star' seedling --- , rhizomatous
• 'Bronc' Wagner 1976
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'Bronco' Leatherman S. 1954
  --------------------- 'Grayback Mountain' X 'Big Beauty' , rhizomatous
• 'Bronze Charm' Mueller WC. 1954
  --------------------- parents unknown --- , rhizomatous
• 'Bronze Iron' Misono I. 1980
  --------------------- masoniana X deliciosa , rhizomatous
• 'Bronze King' --- 1931
  --------------------- --- --- , rex cultorum
• 'Brook's Carlota' Brooks WG. 1952
  --------------------- is B. nulumbiifolia --- , rhizomatous
• 'Brown Eyes' Woodriff L. 1973
  --------------------- 'Norah Bedson' X imperialis , rhizomatous
• 'Brown Jewel' Lowe PP. 1972
  --------------------- pustulata X imperialis , rhizomatous
• 'Brown Twist' Woodriff L. 1977
  --------------------- 'Bowtique' X 'Tiger Kitten' , rhizomatous
• 'Bull' Cole B. 1978
  --------------------- unknown X unknown , rex cultorum
• 'Bullfrog' Cole B. 1978
  --------------------- 'Big Boy' X 'Big Rex' , rex cultorum
• 'Bunchii' Bunch KS. 1914
  --------------------- 'Erythrophylla' sport --- , rhizomatous
• 'Burgandy Queen' Stanford UU. ---
  --------------------- 'Joe Hayden' X 'Mrs. Townsend' , rhizomatous
• 'Burgandy Velvet' Woodriff L. 1978
  --------------------- unknown parentage --- , rhizomatous
• 'Buttercup' Kartuz MJ. 1975
  --------------------- prismatocarpa X ficicola , rhizomatous
• 'Butterfly' --- ---
  --------------------- --- --- , semperfloren
• 'Buttermilk' --- 1968
  --------------------- --- --- , tuberous
• 'Butterscotch' Kartuz M. 1977
  --------------------- subnummularifolia X rajah , rhizomatous
• 'Cachuma' Ziesenhenne R. 1975
  --------------------- carrieae X unknown , rhizomatous
• 'Calca' Meyer M. 1974
  --------------------- unknown parentage --- , rex cultorum
• 'Calico' Woodriff 1947
  --------------------- --- --- , rex cultorum
• 'Calico Kew' Martin B. 1979
  --------------------- goegoensis X species ex Kew (Sarawak species) , shrub-like
• 'Calico Pussycat' Cole B. 1977
  --------------------- 'Big Red Jr.' X 'Sir Edward Hodgins' , rex cultorum
• 'Calla Lily' --- ---
  --------------------- --- --- , semperfloren-like
• 'Calla Queen' Logee 1957
  --------------------- --- --- , semperfloren
• 'Camary' Meyer M. 1976
  --------------------- 'Sir Percy' X unknown , rhizomatous
• 'Cami' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Camooweal' Meyer M. 1976
  --------------------- 'Tarlit' X bowerae var. nigramarga , rhizomatous
• 'Canara' Meyer 1976
  --------------------- 'White Imperialis X masoniana , rhizomatous
• 'Can-Can' Logee 1956
  --------------------- --- --- , rex cultorum
• 'Candy Apple' Worley P J 1980
  --------------------- hatacoa (green form) X 'Beau Rouge' , rex cultorum
• 'Cardoza Gardens' Cardoza Gardens 1938
  --------------------- sport of 'Rajah' --- , rex cultorum
• 'Cardoza Sloan' Ziesenhenne R. 1954
  --------------------- 27-S X unknown , rhizomatous
• 'Carol Star' Woodriff 1947
  --------------------- carolineifolia X 'Sunderbruchii' , rhizomatous
• 'Carolina Moon' Jeans K. 1979
  --------------------- 'Elda Haring' X acetosa , rex cultorum
• 'Carolyn Collman' Harmon H. 1979
  --------------------- 'Martha Floro' X 'Rubaiyat' , cane-like
• 'Carousel' Peace R. 1971
  --------------------- 'Immense' X mazae forma nigricans , rhizomatous
• 'Cascade' West M. ---
  --------------------- cathayana X 'Peggy-Ann' , ---
• 'Catalina' Shepherd 1913
  --------------------- 'Digswelliana' seedling --- , shrub-like
• 'Cathedral' --- 1966
  --------------------- --- --- , rhizomatous
• 'Celia McClish' Frost G. 1978
  --------------------- 'Lenore Olivier' X lubbersii , cane-like
• 'Chantilly Lace' Dillard 1961
  --------------------- bowerae X 'Black Shadows' , rhizomatous
• 'Charity' Cole B. 1978
  --------------------- 'Big Boy' X 'Lee's No. 9' , rex cultorum
• 'Charles Jaros' Lowe PP. 1980
  --------------------- hatacoa X deliciosa , rhizomatous
• 'Charles Rick' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X 'Bow-Nigra' , rhizomatous
• 'Charlotta Hoak' Gillingwators M. 1954
  --------------------- 'Pink Lady' X 'Fireflush' , rex cultorum
• 'Charm' Logee 1948
  --------------------- 'Nancy Etticoat' seedling X 'Calla Lily' , semperfloren
• 'Chatoyancy' Turner M. 1952
  --------------------- kenworthyae X bowerae , rhizomatous
• 'Checker Board' Brooks WG. 1952
  --------------------- assumed to be a specie --- , rhizomatous
• 'Chelsea' Sakakibara 1974
  --------------------- 'Lenore Olivier' X dregei , shrub-like
• 'Chemainus' West M. ---
  --------------------- 'Merry Christmas' X rex , rex cultorum
• 'Cherry Blossom' Shepherd 1901
  --------------------- --- --- , semperfloren
• 'Cherry Fizz' Cole B. 1978
  --------------------- 'Sir Edward Hodgins' X 'This 'N That' , rex cultorum
• 'Chet Nave' Nuss I. 1973
  --------------------- 'Orange Supreme' selfed --- , cane-like
• 'Chichee' Ziesenhenne R. 1975
  --------------------- bowerae X carrieae , rhizomatous
• 'China Curl' Woodriff L. 1979
  --------------------- versicolor X B. cathayana X Unknown Rex , rex cultorum
• 'China Doll' Dillard HE. 1961
  --------------------- 'Bow-Arriola' X bowerae , rhizomatous
• 'China Town' Cole B. 1979
  --------------------- 'Sir Roy Yewell' X 'Stanley Wilson' , rex cultorum
• 'Chipalee' Meyer M. 1974
  --------------------- 'Stash' X unknown , rhizomatous
• 'Chorwon' Horton D. 1954
  --------------------- 'Reichenheimii' X barkeri , rhizomatous
• 'Chris Fergis' Lowe P. 1982
  --------------------- 'Yanonali' X 'Green Giant' , rhizomatous
• 'Christina Grace' Burley H. 1980
  --------------------- aconitifolia 'Metallica' X unknown , cane-like
• 'Christine' Zug S. 1972
  --------------------- unknown X unknown , rhizomatous
• 'Christine Blais' Lepisto G. 1973
  --------------------- 'Changeant' X 'Reiga' , rex cultorum
• 'Christmas Candle' Park Seeds 1957
  --------------------- --- --- , semperfloren
• 'Christmas Cheer' --- 1936
  --------------------- --- --- , semperfloren
• 'Chucu' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Chumash' Ziesenhenne R. 1970
  --------------------- bowerae (or bowerae var. nigramarga ?) X unknown , rhizomatous
• 'Chumbow' Lowe PP. 1973
  --------------------- 'Chumash' X 'Bow Joe' , rhizomatous
• 'Cinderella' Logee ---
  --------------------- (Mother Goose series) --- , semperfloren
• 'Clancy' Frost D. 1976
  --------------------- 'Fuscomaculata' mutation --- , rhizomatous
• 'Clara Elizabeth' Kusler B. 1973
  --------------------- 'Lenore Olivier' X hydrocotylifolia , cane-like
• 'Clemmence' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Cleo Brown' Johnson M. 1982
  --------------------- 'Sisquoc X B. 'Cleopatra' X bowerae var. nigramarga , rhizomatous
• 'Cleo Ken' Aug S. ---
  --------------------- kenworthyae X 'Cleopatra' , rhizomatous
• 'Cleopatra' Zug S. 1960
  --------------------- 'Maphil' X 'Black Beauty' , rhizomatous
• 'Cockatoo' Worley P J 1981
  --------------------- Semperflorens cultivar X U014 , semperfloren
• 'Cocktail' --- 1968
  --------------------- --- --- , semperfloren
• 'Cocoa Star' Frost G. 1975
  --------------------- 'Black Knight' X 'Chumash' , rhizomatous
• 'Cocoette' Arndt H. Mrs. 1968
  --------------------- 'Black Polly' X goegoensis , rhizomatous
• 'Cocoroon' Arndt H. Mrs. 1968
  --------------------- 'Black Polly' X goegoensis , rhizomatous
• 'Codelargo' Robinson AD. 1933
  --------------------- --- --- , cane-like
• 'Cole's Aluminum' Cole B. 1978
  --------------------- 'Big Boy' X 'Lee's No. 9' , rhizomatous
• 'Colonel Gale' Schwerdtfeger L. 1952
  --------------------- manicata 'Crispa' X kenworthyae , rhizomatous
• 'Color Queen' Sutton & Sons 1973
  --------------------- --- --- , semperfloren
• 'Comanche' Wagner WW. 1975
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'Comtesse Louise Erdoedy' Nemeczek 1884
  --------------------- 'Alez von Humboldt' X 'Argenteo-cupreatea' , rex cultorum
• 'Conbow' Bower C. 1928
  --------------------- 'Thurstoni' seedling --- , shrub or cane-like ?
• 'Concord' Kartuz M. 1967
  --------------------- --- --- , shrub-like
• 'Condor' Cole B. 1978
  --------------------- 'Big Rex' X 'Lee's No. 9' , rex cultorum
• 'Confection' Cole B. 1979
  --------------------- unknown X unknown , rex cultorum
• 'Confederate Gray' Waltzer R. (or Stanley?) 1949
  --------------------- --- --- , rhizomatous
• 'Connie Bower' Bower CD. ---
  --------------------- dichroa X 'Alzasco' , cane-like
• 'Constance' Robinson AD. 1933
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Constitution' Cole B. 1979
  --------------------- 'Lee's No. 9' X hatacoa Silver' , rex cultorum
• 'Cool Waters' Gillingwators M. 1953
  --------------------- bowerae X heracleifolia pyramidalis (?) , rhizomatous
• 'Coquitlam' West M. ---
  --------------------- cathayana X unknown , ---
• 'Cora Miller' Miller C. ---
  --------------------- 'Pasty' X unknown , rex cultorum
• 'Coral Chimes' Kartuz M. 1980
  --------------------- dichroa is one of the parents --- , cane-like
• 'Coral Rubra' Woodriff 1947
  --------------------- coccinea form --- , cane-like
• 'Corallina de Lucerna' Ganse & Bissell (or Wettstine ?) 1892
  --------------------- teuscheri X coccinea , cane-like
• 'Corazon Rojo' (syn 'Red Heart') Philip BR. Mrs. 1978
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Corbeille de feu' Lemoine 1891
  --------------------- Rubra (semp) X fuchsioides var. miniata , shrub-like
• 'Corella' Meyer M. 1973
  --------------------- maculata var. wightii hort. X olbia , cane-like
• 'Corinthian' Kartuz M. 1970
  --------------------- lubbersii X 'Laura Englebert' , cane-like
• 'Corliss Engle' Kartuz M. 1977
  --------------------- unknown parentage --- , cane-like
• 'Corona' --- 1968
  --------------------- --- --- , tuberous, tuberhybrid
• 'Cosie' Frost G. 1978
  --------------------- 'Lenore Olivier' X lubbersii , cane-like
• 'Cotton Candy' Nave C. 1963
  --------------------- 'Christmas Candle' X 'Kallaking' , semperfloren
• 'Cougar' Cole B. 1978
  --------------------- unknown X unknown , rex cultorum
• 'Cowboy Jeans' Jeans 1979
  --------------------- unknown --- , rhizomatous
• 'Credneri' Haage & Schmidt 1890
  --------------------- scharffiana X metallica , shrub-like
• 'Creme Mint' Worley P J 1981
  --------------------- foliosa X 'Opaline' , shrub-like
• 'Crestabruchii' Lewis 1938
  --------------------- manicata "Crispa' X heracleifolia var. sunderbruchii hort. , rhizomatous
• 'Crimson Glory' --- 1885
  --------------------- --- --- , rex cultorum
• 'Crispie' Kusler B. ---
  --------------------- dregei X crispula , cane-like
• 'Crown of Thorns' Yorke B. 1977
  --------------------- 'Roi' X bowerae var. nigramarga , ---
• 'Crystal Lake' Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X imperialis var. maculata , rhizomatous
• 'Crystal White' Waiter F. Mrs. 1930
  --------------------- coccinea seedling --- , cane-like
• 'Cubinfo' Michelson FO. 1971
  --------------------- cubincola X foliosa , ---
• ''Calcutta' Worley P J 1980
  --------------------- goegoensis X versicolor , rhizomatous
• 'Cumbre' Ziesenhenne R. 1971
  --------------------- heracleifolia var. sunderbruckii hort. X roseibractea , rhizomatous
• 'Curly California' Philips B. 1975
  --------------------- unknown parentage --- , rex cultorum
• 'Curly Cloud' Woodriff L. 1977
  --------------------- socotrana X 'Bokit' , ---
• 'Curly Fireflush' Woodriff 1948
  --------------------- 'Fireflush' sport --- , rex cultorum
• 'Curly Haze' Fisher C.E. 1954
  --------------------- 'Mountain Haze' X chance seedling , rex cultorum
• 'Curly It' Woodriff L. 1982
  --------------------- 'It' sport --- , rhizomatous
• 'Curly Locks' Logee 1947
  --------------------- --- --- , semperfloren
• 'Curly Merry Christmas' Sorenson G. ---
  --------------------- 'Merry Christmas' sport --- , rex cultorum
• 'Curly Rajah' Barnes 1951
  --------------------- --- --- , rex cultorum
• 'Curly Silver Ribbons' Lowe PP. 1972
  --------------------- 'Peace' X 'Perle de Paris' , rex cultorum
• 'Curly Siversweet' Woodrif 1951
  --------------------- --- --- , rex cultorum
• 'Curly Stardust' Woodrif 1947
  --------------------- --- --- , rex cultorum
• 'Curly Stratosphere' Lowe PP. 1972
  --------------------- 'Perle de Paris' X 'Bronze King' , rex cultorum
• 'Currency' Cole B. 1978
  --------------------- 'Big Red' X 'Big Boy' , rex cultorum
• 'Cuyamaca' Maley P. 1982
  --------------------- 'Chumash' X carrieae , rhizomatous
• 'Cuyu' Ziesenhenne R. 1977
  --------------------- 'Yanonali X unknown , rhizomatous
• 'd' Artagnon' Turner M. 1954
  --------------------- epipsila X scharffiana , shrub-like
• 'Dado' Lowe PP. 1975
  --------------------- dayi (was written dayii ) X 'Baby Down' , rhizomatous
• 'Dainty Dan' Lewis G. 1976
  --------------------- conchifolia var. rubrimacula X 'Dainty Lady' , rhizomatous
• 'Dainty Lady' Lewis G. 1981
  --------------------- bowerae seedling --- , rhizomatous
• 'Dainty Maid' Logee 1981
  --------------------- --- --- , semperfloren
• 'Dainty Spray' Atherton ~1945
  --------------------- alba perfecta grandilora (?) X 'Di-Anna' , cane-like
• 'Daisy' Lowe PP. 1972
  --------------------- 'Chumash' X bowerae var. nigramarga , rhizomatous
• 'Dale Andrews' Leatherman S. 1954
  --------------------- 'Silver Green Heart' X grandis ssp. evansiana , rhizomatous
• 'Dan Stocks' Frost G. 1976
  --------------------- 'Black Knight' X Chumash' , rhizomatous
• 'Dancer' (syn. 'Prancer') Cole B. 1979
  --------------------- 'Green Frills' X 'Pam Sue' , rex cultorum
• 'Dancing Girl' Logee 1949
  --------------------- --- --- , shrub-like
• 'Dandy Lion' Plant Shop's Bo. Gns. 1976
  --------------------- 'Big Red Jr.' X 'Sir Edward Hodgins' , rex cultorum
• 'Danica' Daehnfeldt 1971
  --------------------- --- --- , semperfloren
• 'Dapples' Burley H. 1980
  --------------------- manicata var. auero-maculata X 'Mam' , rhizomatous
• 'Dark Beauty' Merry P.I. 1955
  --------------------- bowerae X heracleifolia 'Sunderbruchii' , rhizomatous
• 'Dark Forest' Nave CF. 1972
  --------------------- kenworthyae X bowerae , rhizomatous
• 'Dark Imperialis' --- ~1973
  --------------------- --- --- , trailing/scandent
• 'Dark Sheen' Horton D. 1954
  --------------------- 'Joe Hayden' X bowerae , rhizomatous
• 'Darling Denise' Cole B. 1979
  --------------------- 'Big Boy' X 'Big Red' , rex cultorum
• 'Dawn' Vedder 1981
  --------------------- 'Abel Carriere' seedling --- , shrub-like
• 'Dawnal Meyer' Worley P J 1982
  --------------------- 'Mandarin' X dregei , cane-like
• 'Day and Night' Cole B. 1978
  --------------------- 'Sir Edward Hodgins' X unnamed Rex cultorum , rex cultorum
• 'de Elegans' Ashizawa A. 1969
  --------------------- decora X deliciosa , rhizomatous
• 'Dearest Mae' Shepherd 1981
  --------------------- odorata 'Alba' hort. seedling --- , shrub-like
• 'Decimperia' Morel G. 1956
  --------------------- decora X imperialis var. smaragdina , ---
• 'Decker's Select' --- 1981
  --------------------- --- --- , shrub-like
• 'Decoder Ring' Cole B. 1977
  --------------------- 'Cachuma' X manicata 'Crispa' hort. , rhizomatous
• 'Del Mar' Schwerdtfeger L. 1953
  --------------------- hidalgensis X mazae , rhizomatous
• 'Del Ray' Zug S. 1954
  --------------------- hidalgensis X 'Sheen' , rhizomatous
• 'Delia Marleau' Frost G. 1976
  --------------------- 'Persian Brocade' X hidalgensis , rhizomatous
• 'Delightful Mystery' Cole B. 1978
  --------------------- 'Big Boy' X 'Lee's No. 9' , rex cultorum
• 'Delores' Ziesenhenne R. 1975
  --------------------- scandens cardifolia X coccinea , trailing/scandent
• 'Delphine Fosmo' Kusler B. 1973
  --------------------- dregei X 'Laura Englebert' , cane-like
• 'Delta Queen' Cole B. 1978
  --------------------- 'Pam Sue' X 'Green Frills' , rex cultorum
• 'Denton L. Cole' Cole B. 1977
  --------------------- 'Cachuma' X manicata 'Crispa' hort. , rhizomatous
• 'Derby' --- 1981
  --------------------- --- --- , semperfloren
• 'Dewdrop' Lewis 1947
  --------------------- --- --- , rex cultorum
• 'Diablo' Cole B. 1976
  --------------------- 'Sir Roy Yewell' X unnamed Rex cultorum , rex cultorum
• 'Di-Anna' Robinson AD. 1938
  --------------------- 'Annie Laurie' X dichroa , cane-like
• 'Diclata' Ziesenhenne R. 1969
  --------------------- undulata X dichroa , cane-like
• 'Dido' Worley P J 1980
  --------------------- suffruticosa X unnamed Rex cultorum , rex cultorum
• 'Diepa' Michelson FO. 1971
  --------------------- dichotoma X epipsila , thick-stemmed
• 'Di-Erna' Robinson A. 1938
  --------------------- dichroa X rubra hort. ( is coccinea ) , cane-like
• 'Digswelliana' Early W. 1865
  --------------------- fuchsioides X semperfloren , shrub-like
• 'Dilli' Meyer EA. Mrs. 1974
  --------------------- 'Weltonensis' X 'Lucille Rolfe' , cane-like
• 'Di-Shasta' Robinson A. 1938
  --------------------- dichroa X 'Shasta' , ---
• 'Dohay' Zug S. 1952
  --------------------- 'Joe Hayden' X macdougallii (is thiemei ) , rhizomatous
• 'Dollar Down' Woodriff L. 1978
  --------------------- unknown parentage --- , rex cultorum
• 'Doma' Zug S. 1952
  --------------------- thiemei X mazae , rhizomatous
• 'Don Gwinup' Leatherman S. 1954
  --------------------- 'Big Beauty' X 'Curly Rajah' , rhizomatous
• 'Donald Duck' Woodriff ~1973
  --------------------- Double red tuberous X solananthera , tuberous
• 'Dorothy Barton' Kusler B. ---
  --------------------- 'Lenore Olivier' X dregei , cane-like
• 'Dorothy Grant' Grant 1981
  --------------------- 'Thurstonii' seedling --- , shrub-like
• 'Dorothy Hawlins? Nuss I. 1978
  --------------------- 'Cachuma' X 'Black Velvet' , rhizomatous
• 'Dottie' Frey 1981
  --------------------- cathayana X Rex cultorum , rex cultorum
• 'Doug Frost' Frost G. 1978
  --------------------- 'Madame Queen' X hidalgensis , rhizomatous
• 'Douglas Burley' Burley H. 1975
  --------------------- aconitifolia 'Metallica' X unknown , rhizomatous
• 'Dove in Flight' Mautino K. 1979
  --------------------- unknown Rex cultivar X unknown Rex cultivar , rex cultorum
• 'Dover Sole' Cole B. 1979
  --------------------- 'Lamont Cranston' X 'Lee's No. 9' , rex cultorum
• 'Downwind' Jeans K. 1980
  --------------------- 'Inglewood' X 'Inglewood' , rhizomatous
• 'Dr. Evers' Lowe PP. 1977
  --------------------- 'Chumash' X 'Virbob' , rhizomatous
• 'Dr. Jim' Bath 1964
  --------------------- 'Leslie Lynn' X unknown , rhizomatous
• 'Dr. Spelios' Lowe PP. 1973
  --------------------- 'Chumash' X 'Virbob' , rhizomatous
• 'Dragon Flight' Mounger 1979
  --------------------- 'Inglewood' X 'Norah Bedson' , rhizomatous
• 'Drake' Cole B. 1979
  --------------------- 'Big Boy' X 'Lee's No. 9' , rex cultorum
• 'Dreamtime' Burley H. 1980
  --------------------- 'Schertzo' X procumbens , trailing/scandent
• 'Dresden Gold' Kartuz M. 1981
  --------------------- olsoniane X 'Winter Jewel' , cane-like
• 'Dromedary' Cole B. 1982
  --------------------- kellermanii X kenworthyae , thick-stemmed
• 'Dryad' Woodriff L. 1979
  --------------------- dregei X 'Bokit' , shrub-like
• 'Duchartrei' Bruant 1950
  --------------------- echinosepala X scharffiana , shrub-like
• 'Dusky Shadows' (syn. 'Dusk') Woodriff L. 1979
  --------------------- 'Red Planet X carolineifolia , rhizomatous
• 'E. O. Orpet' Ziesenhenne R. 1953
  --------------------- mazae X procumbens , cane-like
• 'Eagleshamm' Eagleshamm 1981
  --------------------- decora X masoniana , rhizomatous
• 'Earl-ee-bee' Budd RM. ---
  --------------------- heracleifolia var. nigricans X purpurea , rhizomatous
• 'Easter Morn' Nave C. ---
  --------------------- 'Calla Queen' X sempflorens , semperfloren
• 'Easter Parade? Nuss I. 1978
  --------------------- Philippine cane species X solananthera , cane-like
• 'Ebony' Asmussen 1978
  --------------------- unknown X unknown , cane-like
• 'Echo' Woodriff L. 1982
  --------------------- echinosepala X 'Odorata Alba' , cane-like
• 'Ed Bates' Frost G. 1975
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Ed Thompson' Lepisto 1981
  --------------------- 'Ember' X Rex cultivar , rex cultorum
• 'Edge of Sunset' Meyer 1981
  --------------------- 'Sir Percy' X unknown , rhizomatous
• 'Edith Howard? Nuss I. 1981
  --------------------- Rex cultivar --- , rex cultorum
• 'Edith M.' Horton D. 1953
  --------------------- bowerae X 'Reichenheimii' , rhizomatous
• 'Edna Mae Stewart' Dorsery OA. Mrs. 1967
  --------------------- unnamed Rex cultivar X 'Merry Christmas' , rex cultorum
• 'Edward Platnico' Leatherman S. 1954
  --------------------- 'Frosty Morn' X 'Silver Sweet' , rhizomatous
• 'Eeyore' Philip 1981
  --------------------- unknown X unknown , rex cultorum
• 'Egrelet' Michelson F. 1976
  --------------------- 'Lettonica' X egregia (or reverse) , ---
• 'Egyptian Knight' Woodriff 1980
  --------------------- unknown X unknown , rhizomatous
• 'El Capitan' Maley P. 1982
  --------------------- 'Bokit' X nelumbiilolia , rhizomatous
• 'El Diablo' Leatherman S. 1954
  --------------------- 'Nigeria Tree' X 'Helen Lewis' , rhizomatous
• 'El Ed' Fort E. 1956
  --------------------- 'Paul Bruant' X mazae , rhizomatous
• 'El MacWhorter' Blanton M. 1981
  --------------------- conchifolia var. rubrimacula X 'Cleopatra' , rhizomatous
• 'El Monte' Nicoll B. Mrs. 1951
  --------------------- --- --- , rex cultorum
• 'Elaine' (cane) Grant W. 1929
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Elaine' (rhi.) Heffner 1981
  --------------------- --- --- , rhizomatous
• 'Elaine Blais' Lepisto 1981
  --------------------- 'Reiga' X 'Curly Stardust' , rex cultorum
• 'Elaine Tarttelin' Blackmore 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Elanora' Meyer M. 1972
  --------------------- 'Black Beauty' X dayi hort. (is glandulosa) , rhizomatous
• 'Elda' Todaro 1981
  --------------------- macdougallii var. purpurea hort. X masoniana , rhizomatous
• 'Elda Haring' Lowe PP. 1972
  --------------------- 'Perle de Paris' X 'Peace , rex cultorum
• 'Electra' --- 1981
  --------------------- --- --- , semperfloren
• 'Elegance' Mikkelsens 1981
  --------------------- --- --- , tuberous, hiemalis
• 'Elegant Victory' Philip BR. 1979
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Elfe' Rieger 1981
  --------------------- 'Nixe' mutant --- , tuberous, hiemalis
• 'Elithe' Robinson AD. 1934
  --------------------- coccinea seedling --- , cane-like
• 'Elizabeth Hayden' Ziesenhenne R. 1947
  --------------------- --- --- , rhizomatous
• 'Ella Frost' Frost G. 1975
  --------------------- 'Black Knight' X bowerae var. nigramarga , rhizomatous
• 'Ella Keyes' --- 1981
  --------------------- 'Feastii' X 'Mrs. Townsend' , rhizomatous
• 'Ellen Dee' Woodriff 1981
  --------------------- limmingheana ( is radicans) X dichroa , trailing/scandent
• 'Ellen Russell' Burley H. 1975
  --------------------- aconitifolia 'Metallica' X unknown , cane-like
• 'Elodye' Schwerdtfeger L. 1953
  --------------------- incarnata X boliviensis , shrub-like
• 'Eloise' Schwerdtfeger L. 1953
  --------------------- imperialis X scharffiana , rhizomatous
• 'Elsa Fort' Schwerdtfeger L. 1952
  --------------------- imperialis X metallica , rhizomatous
• 'Elsie M. Frey' Frey 1947
  --------------------- baumannii X limmingheana , trailing/scandent
• 'Elsie Picot' Picot E. 1972
  --------------------- unknown X unknown , rhizomatous
• 'Elvira Swisher' Swisher 1981
  --------------------- aconitifolia seedling --- , cane-like
• 'Ember' Zug S. 1962
  --------------------- --- --- , rex cultorum
• 'Emerald Giant' --- 1981
  --------------------- --- --- , rex cultorum
• 'Emerald Jewel' Zug S. 1955
  --------------------- imperialis X pustulata (or reverse ?) , rhizomatous
• 'Emerald Lacewing' Lowe PP. 1973
  --------------------- 'Chumash' X 'Aries' , rhizomatous
• 'Emerald Sheen' Horton D. 1954
  --------------------- 'Joe Hayden' X bowerae , rhizomatous
• 'Emily Clibran' Clibran 1981
  --------------------- --- --- , tuberous, hiemalis
• 'Emita' Vietch 1981
  --------------------- --- --- , tuberous, hiemalis
• 'Emma Carleton' Zug S. 1958
  --------------------- chance seedling --- , rex cultorum
• 'Emma Palmer' Palmer E. 1953
  --------------------- Possibily B. scharffii seedling --- , shrub-like
• 'Emma Walker' Frost G. 1976
  --------------------- 'Lenore Olivier' X lubbersii , cane-like
• 'Emma Watson' Merry 1952
  --------------------- bowerae X mazae , thick-stemmed
• 'Emma Yee' Frost G. 1978
  --------------------- 'Lenore Olivier' X lubbersii , cane-like
• 'Emperor' Sander 1903
  --------------------- cathayana X Rex cultivar , rex cultorum
• 'Enchantment' Dillard 1981
  --------------------- 'Missouri' X 'Maphil' , rhizomatous
• 'Encinitas' Behrends DS. ---
  --------------------- hydrocotylifolia X 'Fred Brown' , rhizomatous
• 'Enech' (or 'Enoch' ?) Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'English Knight' MacIntyre ML. 1970
  --------------------- 'Norah Bedson' X 'Clifton' , rhizomatous
• 'English Lace' MacIntyre 1981
  --------------------- 'Norah Bedson' X 'Clifton' , rhizomatous
• 'Eppley' Zug S. 1981
  --------------------- --- --- , rhizomatous
• 'Erici-Magni' Lindquist B. 1952
  --------------------- crispula X goegoensis , rhizomatous
• 'Erika Weber' Frey 1981
  --------------------- 'Houghtonii' X bradei , shrub-like
• 'Erna Rubra' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Ernest K' Logee 1981
  --------------------- --- --- , semperfloren
• 'Ernest Martin' Martin 1981
  --------------------- 'Tingley Mallet' X egregia ( or reverse) , thick-stemmed
• 'Erythrophylla' Von Warscewics J. 1849
  --------------------- hydrocotylifolia X manicata , rhizomatous
• 'Escudero' Yorke B. 1977
  --------------------- 'Illsley' X bowerae var. nigramarga , rhizomatous
• 'Esquimalt' West M. ---
  --------------------- dregei X 'Glenna' , ---
• 'Essie Hunt' Blanton M. 1974
  --------------------- conchifolia var. rubrimacula X manicata aureo-maculata 'Crispa' , rhizomatous
• 'Ester Illions' ('Carousel' grex) Peace R. 1971
  --------------------- 'Immense' X mazae forma nigricans , rhizomatous
• 'Ester Velez' Cole B. 1978
  --------------------- 'Lee's No. 9' X 'Silver Giant' , rex cultorum
• 'Esther Albertine' Kusler BN. 1973
  --------------------- sceptrum (is aconitifolia) X 'Lenore Olivier' , cane-like
• 'Ethel Arnold' Ziesenhenne R. 1979
  --------------------- dregei X Rex cultivar , rex cultorum
• 'Ethel-Bee' Budd RM. 1973
  --------------------- 'Fleecealba' chance seedling --- , rhizomatous
• 'Ethyl Reid' var. 'Flowering Quince' Daniels G. 1973
  --------------------- gigantea 'Crispa' X micranthera venturii S. & S. , tuberous
• 'Eunice Gray' Nuss I. 1968
  --------------------- echinosepala X venosa , shrub-like
• 'Evening Nymph' Cole B. 1976
  --------------------- bowerae X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Evening Star' Lowe PP. 1973
  --------------------- 'Chumash' X 'Joe Hayden' , rhizomatous
• 'Ever Reddy' Woodriff L. 1978
  --------------------- unnamed tuberous hybrid X herbacea , tuberous
• 'Everest' Blackmore 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Everglades Mist' Lowe PP. 1972
  --------------------- 'Perle de Paris' X unknown , rex cultorum
• 'Evergreen' Wepper 1935
  --------------------- --- --- , rex cultorum
• 'Evie Naomi' Blanton M. 1981
  --------------------- 'Helen Nicholson' X 'Laura Englebert' , cane-like
• 'Exotic Peridot' Plant Shop's Bo. Gns. 1976
  --------------------- 'Peridot' mutation --- , rex cultorum
• 'Exquisite' Veitch 1981
  --------------------- --- --- , tuberous, hiemalis
• 'Fa La La' Cole B. 1977
  --------------------- 'Sir Roy Yewell' X unnamed Rex cultorum , rex cultorum
• 'Fairy' Teupel 1981
  --------------------- --- --- , rex cultorum
• 'Fairyland' Woodriff L. 1977
  --------------------- conchifolia var. rubrimacula cv. Zip X 'Bokit' , rhizomatous
• 'Falling Star' Cole B. 1977
  --------------------- 'Big Red Jr.' X 'Sir Edward Hodgins' , rex cultorum
• 'Falstaff' Blackmore 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Fancy Fran' Dorsey 1981
  --------------------- unknown X unknown , rex cultorum
• 'Fancy Tennessee' Cole 1981
  --------------------- --- --- , rex cultorum
• 'Fandango' --- 1981
  --------------------- --- --- , rex cultorum
• 'Fantastic' --- 1981
  --------------------- conchifolia X pustulata , rhizomatous
• 'Far Out' Woodriff L. 1979
  --------------------- solananthera X B. prismatocarpa X unknown tuberous hybrid , cane-like
• 'Fascination' Dillard 1981
  --------------------- 'Spectulata' X 'Pearlii' , rhizomatous
• 'Faustine' Bower CD. ---
  --------------------- 'Margaritacea' X 'Lulu Bower' , cane-like
• 'Fenella' Burley H. 1975
  --------------------- 'Pink Zulu' X unknown , cane-like
• 'Fernan Vell' Michelson F. 1975
  --------------------- fernando-costae X olsoniae , shrub-like
• 'Fever' Cole B. 1979
  --------------------- hatacoa 'Silver' X 'Lee's No. 9' , rex cultorum
• 'Fido' Horton D. 1954
  --------------------- unknown X unknown , rhizomatous
• 'Fiesta' --- 1981
  --------------------- --- --- , rex cultorum
• 'Fiesta' --- 1981
  --------------------- --- --- , semperfloren
• 'Fiffi' Lepisto 1981
  --------------------- 'Julie Blais' X 'Joe Blais' , rex cultorum
• 'Fifi Florrie' --- 1981
  --------------------- 'Lenore Olivier' X viscida , cane-like
• 'Fiji Islands' --- 1966
  --------------------- --- --- , rhizomatous
• 'Filigree' --- 1981
  --------------------- --- --- , rex cultorum
• 'Finale' --- 1981
  --------------------- --- --- , semperfloren
• 'Finkelstein' Cole B. 1979
  --------------------- unnamed Rex cultivar X hatacoa 'Silver' , rex cultorum
• 'Fire Flush' --- 1866
  --------------------- --- --- , rex cultorum
• 'Fire Fly' Logee 1949
  --------------------- --- --- , semperfloren
• 'Fire Rim' Baetens 1981
  --------------------- tuber cultivar X 'Bouton de Rose' , tuberous, tuberhybrid
• 'Firebird' Worley P J 1981
  --------------------- a semperfloren hybrid U014 , semperfloren
• 'Firebrand' --- 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Firedance' Worley P J 1980
  --------------------- unnamed Rex cultivar X suffruitcosa (or dregei ?) , rex cultorum
• 'Fire-N-Ice' Nave C. 1963
  --------------------- 'Jewelite' X 'Kallaking' , semperfloren
• 'Firmament' Worley P J 1980
  --------------------- dipetala X 'Glory of St. Albans' , rex cultorum
• 'First Love' Blackmore 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Five P. Stevens' --- 1981
  --------------------- --- --- , rhizomatous
• 'Flambeau' Cibrean 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Flamboyant' --- 1911
  --------------------- 'Lafayette' X 'Abondance de Boisy' , tuberous, tuberhybrid
• 'Flamingo' (cane) Hunter 1981
  --------------------- dichroa X undulata , cane-like
• 'Flamingo' (semp) --- 1981
  --------------------- --- --- , semperfloren
• 'Flammarion' Shepard 1897
  --------------------- 'Gloire de Jouy' X rubra hort. , cane-like
• 'Flat Rock' Haring E. 1980
  --------------------- sutherlandii X unknown , tuberous, semi
• 'Fleecealba' Knock F. 1952
  --------------------- heracleifolia var. sunderbruckii hort. X leptotricha , shrub-like or thick-stem?
• 'Flicka' --- 1981
  --------------------- --- --- , rhizomatous
• 'Flo Belle Moseley' Blanton M. 1974
  --------------------- dregei X 'Laura Englebert' , cane-like
• 'Florence Carrell' Frey 1949
  --------------------- limminghenna X incarnata , trailing/scandent
• 'Florence Rita' MaacIntyre ML. 1971
  --------------------- lubbersii X 'Orange Rubra' , cane-like
• 'Floribunda Rosea' ('Multiflora Rosea' ) Lemoine 1914
  --------------------- 'Ascotiensis' X fuchsioides , tuberous
• 'Fond Memories' Frost G. 1976
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'For Lisa' Cole 1981
  --------------------- --- --- , rex cultorum
• 'Forty Niner' --- 1981
  --------------------- --- --- , rex cultorum
• 'Fox Fire' Cole B. 1979
  --------------------- 'This 'N That' X 'Big Boy' , rex cultorum
• 'Foxy' Fisher C.E. 1954
  --------------------- 'Bertha MacGregor' X unnamed seedling , rex cultorum
• 'Fragrant Beauty' Ashizawa A. 1976
  --------------------- solanantrera X procumbens , trailing/scandent
• 'Frances Downing' Schwerdtfeger L. 1953
  --------------------- hidalgensis X scharffiana , rhizomatous
• 'Frances Fickewirth' Shortt H. 1972
  --------------------- 'Norah Bedson' X Mexican species , rhizomatous
• 'Frances Hunter' Lowe PP. 1978
  --------------------- rubrovenia X decora , rhizomatous
• 'Frances Kay' Flaitz 1981
  --------------------- evansiana X Rex cultivar , rex cultorum
• 'Frances Kizer' Blanton M. 1981
  --------------------- kellermanii X conchifolia "Zip" (?) , rhizomatous
• 'Frances Lyons' Kusler B. 1973
  --------------------- 'Lenore Olivier' X dregei , cane-like
• 'Frasier' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unknown Rex , rex cultorum
• 'Freckles' Fisher C.E. 1954
  --------------------- 'Madge Henderson' X 'Bearded' , rex cultorum
• 'Fred Bedson' MacIntyre ML. 1974
  --------------------- 'Norah Bedson' X pustulata , rhizomatous
• 'Fred Brown' Ziesenhenne R. 1953
  --------------------- pinetorum X mazae , rhizomatous
• 'Fred Martin' (rhizomatous) MacIntyre 1981
  --------------------- 'Norah Bedson' X pustulata , rhizomatous
• 'Fred Martin' (tuberous) Blackmore 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Fred Moore' Lowe PP. 1972
  --------------------- 'Ricinifolia' var. 'Immense' X 'Leo Rowan' , rhizomatous
• 'Freddie' Ziesenhenne R. 1953
  --------------------- manicuta 'Aureo-maculata' X barkeri , rhizomatous
• 'Fresco' Mikkelsens 1981
  --------------------- 'Northern Sunset' mutant --- , tuberous, hiemalis
• 'Freude' Teupel 1981
  --------------------- --- --- , rex cultorum
• 'Fribol' ( see 'Olfri' ) Michelson 1981
  --------------------- --- --- , shrub-like
• 'Frieda Grant' Grant 1926
  --------------------- --- --- , shrub-like
• 'Friendship' Frost G. 1978
  --------------------- hidalgensis X carrieae , rhizomatous
• 'Frilly Pink' Ball Seed Co. 1981
  --------------------- --- --- , semperfloren
• 'Frilly Red' Ball Seed Co. 1981
  --------------------- --- --- , semperfloren
• 'Fromlees' Lee 1981
  --------------------- --- --- , rex cultorum
• 'Frondosa' Fewkes 1962
  --------------------- scharffii seedling --- , shrub-like
• 'Froshinn' --- 1981
  --------------------- --- --- , rex cultorum
• 'Frosty' ( 'Karin' ) (semp.) --- 1981
  --------------------- --- --- , semperfloren
• 'Frosty' (tuberous) Park 1981
  --------------------- --- --- , tuberous, tuberhybrid
• 'Frosty Dwarf' Hofmann TR. 1967
  --------------------- 'Curly King Edward' X 'Silver Queen' , rex cultorum
• 'Frosty Fairyland' Woodriff L. 1979
  --------------------- 'Bunchii' X 'Bokit' , rhizomatous
• 'Frosty Knight' Frost G. 1975
  --------------------- 'Pearlii' X staudtii , rhizomatous
• 'Frosty Lake' (Skeezar 'Frosty Lake' ) Ziesenhenne R. 1981
  --------------------- --- --- , rhizomatous
• 'Frosty Meadows' Burley H. 1975
  --------------------- imperialis X 'Sir Percy' , rhizomatous
• 'Frosty Mountain' Woodriff 1981
  --------------------- --- --- , rex cultorum
• 'Frutescans' Robinson AD. 1925
  --------------------- fruticosa seedling --- , shrub-like
• 'Fuscomaculata' (or 'Fusco-maculata' ?) Lange 1933
  --------------------- heracleifolia X strigillosa , rhizomatous
• 'Fuzz Buzz' Wells 1971
  --------------------- subnummularifolia X masoniana , rhizomatous
• 'Fuzzy Buzz' Wells Y. 1975
  --------------------- subnummularifolia X masoniana , rhizomatous
• 'Fuzzy Wuzzy' Woodriff L. 1977
  --------------------- 'Bokit' X 'Bokit' , rhizomatous
• 'Galong' Meyer M. 1977
  --------------------- 'Sir Percy' X unknown , rhizomatous
• 'Garden Grove' Frost G. 1975
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Gay Paree' Lowe PP. 1973
  --------------------- 'Gay Time' X 'Pearl de Paris' , rhizomatous
• 'Gayle' Lothman T. ---
  --------------------- leptotricha X caffra , semperfloren
• 'Gee-Gee' Nave CF. 1969
  --------------------- 'Kallaking' X red-flowering semperflorens cultorum , semperfloren
• 'Gee-Whiz' Yorke B. 1977
  --------------------- 'Sir Percy' X heracleifolia var. nigricans , rhizomatous
• 'Gene Daniels' Ziesenhenne R. 1975
  --------------------- 'Frieda Grant' X unknown , shrub-like
• 'General Landon' Jeans K. 1979
  --------------------- 'Helene Jaros' X 'Helene Jaros' , rhizomatous
• 'Gentle Touch' Cole B. 1978
  --------------------- 'Sir Roy Yewell' X unnamed Rex cultorum , rex cultorum
• 'Gertrude Nelson' Kusler B. 1973
  --------------------- 'Lenore Olivier' X hydrocotylifolia , cane-like
• 'Giggle' ('Wendy Franks' grex) Cole B. 1981
  --------------------- heracleifolia form X 'Stained Glass' , rhizomatous
• 'Gigi Fleetham' Kusler BN. 1961
  --------------------- 'Lenore Olivier' selfed --- , cane-like
• 'Gilsonii' Gilson 1880
  --------------------- --- --- , thick-stemmed
• 'Gingersnap' Worley P J 1980
  --------------------- goegoensis X morelii , rhizomatous
• 'Ginny' Watchom W. 1971
  --------------------- echinosepala X 'Margaritae' , shrub-like
• 'Glacier Bay' Philip BR. Mrs. 1978
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Glen Lewis' Lewis G. 1976
  --------------------- conchifolia var. rubrimacula X 'Cleopatra' , rhizomatous
• 'Glendale' Slocum EV. 1952
  --------------------- heracleifolia var. sunderbruckii hort. X unknown , rhizomatous
• 'Glenna West' West MI. ---
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Glen's Zip' Lewis G. 1976
  --------------------- 'Cleopatra' X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Gloire de Lorraine' --- 1891
  --------------------- socotrana X dregei , tuberous, cheimantha
• 'Gold Coast' Seitner P. 1975
  --------------------- prismatocarpa X staudtii var. dispersipilosa , rhizomatous
• 'Golden Goddess' Woodriff L. 1981
  --------------------- strigillosa X unknown , rhizomatous
• 'Golden Sheen' Horton D. 1954
  --------------------- 'Joe Hayden' X bowerae , rhizomatous
• 'Golly Green' Cole B. 1979
  --------------------- 'Lamont Cranston' X 'Lee's No. 9' , rex cultorum
• 'Gordy' Lepisto G. 1975
  --------------------- versicolor X 'John Blais' , rex cultorum
• 'Grace' Robinson AD. 1930
  --------------------- coccinea seedling --- , cane-like
• 'Grandiflora' Lemoine 1884
  --------------------- gracilis var. martiana X racemiflora 'Rosea' , trailing/scandent
• 'Grandpa' Cole B. 1979
  --------------------- 'Bearded' X 'Rosetta' , rex cultorum
• 'Gray Satin' Gillingwators M. 1954
  --------------------- 'Adrian Schmidt' X Spiral Rex hybrid , rex cultorum
• 'Great Expections' Lepisto G. 1975
  --------------------- 'John Blais' X unknown , rex cultorum
• 'Green Coral' Lee 1981
  --------------------- --- --- , cane-like
• 'Green Giant' Lowe PP. 1974
  --------------------- 'Verde Grande' X unknown , rhizomatous
• 'Green Glimmer' MaacAlister Y. Mrs. 1970
  --------------------- parents unknown --- , tuberous
• 'Green Jewel' Lowe PP. 1973
  --------------------- 'Silver Jewel' Sport --- , rhizomatous
• 'Green Medora' Topham 1946
  --------------------- --- --- , shrub-like
• 'Green Pastures' Gillingwators M. 1951
  --------------------- 'Pink Lady' X 'Curly Fireflush' , rex cultorum
• 'Green Turnip' Cole B. 1978
  --------------------- bowerae X 'Zip' , rhizomatous
• 'Green Velvet' --- 1981
  --------------------- --- --- , rhizomatous
• 'Green Zee Bowman' Ziesenhenne R. 1975
  --------------------- bowerae X liebmannii , rhizomatous
• 'Greensleeves' Jeans K. 1979
  --------------------- 'Black Queen' X hatacoa 'Silver' , rhizomatous
• 'Gretel' Frey E. 1957
  --------------------- incarnata X 'Moss Agate' , rex cultorum
• 'Guy Savard' Worley P J 1982
  --------------------- 'Corliss Engle' X 'Orpha C. Fox' , cane-like
• 'Gwen Lowell' Kusler B. ---
  --------------------- vellozoana X obscura , cane-like
• 'Gypsy Marie' ( syn. 'Gypsy Girl')' Turner M. 1952
  --------------------- ecuadorensis hort. X mazae , rhizomatous
• 'Hannah Serr' Nuss I. 1969
  --------------------- 'Kentwood' X 'Lenore Olivier' , cane-like
• 'Hansel' Frey E. 1956
  --------------------- incarnata X 'Moss Agate' , rex cultorum
• 'Happiness Is' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Harbison Canyon' Maley P. 1982
  --------------------- 'Apache' X 'Yanonali' , rhizomatous
• 'Hari-Kari' Sorenson G. Mrs. ---
  --------------------- unknown X unknown , rex cultorum
• 'Harry Zip' Ziesenhenne R. 1977
  --------------------- 'Tracery' X 'Zip' , rhizomatous
• 'Harvey' Frey E. 1950
  --------------------- manicata 'Aureo-maculata Crispa' X mazae forma nigricans , thick-stemmed
• 'Hawaiian Fifty' (Hewitt C.) Cole B. 1979
  --------------------- 'Hawaiian Sunset' X unnamed Rex cultorum , rex cultorum
• 'Hawaiian Freakout' (Hewitt C.) Cole B. 1979
  --------------------- 'Hawaiian Sunset' X unnamed Rex cultorum , rex cultorum
• 'Hawaiian Sunset' --- 1981
  --------------------- dichroa is one of the parents --- , cane-like
• 'Hazel Harmon' Blanton M. 1977
  --------------------- wollnyi X malabarica var. malabarica , thick-stemmed
• 'Hazel Snodgrass' Daniels G. 1970
  --------------------- Brazil species No. 4 X paulensis , shrub-like
• 'Heartthrob' Worley P J 1980
  --------------------- dipetala X unnamed Rex cultorum , rex cultorum
• 'Heather Ann' Frost G. 1975
  --------------------- 'Black Knight' X bowerae var. nigramarga , rhizomatous
• 'Helcha' Sibiskie A. Mrs. 1961
  --------------------- 'Templini' X 'Bow-Nigra' , ---
• 'Helen Grice' Ziesenhenne R. 1975
  --------------------- heracleifolia hirsute (A.245) (?) X roseibractea , rhizomatous
• 'Helen Krauss' Schwerdtfeger L. 1953
  --------------------- hidalgensis X mazae , rhizomatous
• 'Helen Lewis' Lewis H. ---
  --------------------- --- --- , rex cultorum
• 'Helen Michelson' Michelson F. 1979
  --------------------- listada X unknown , shrub-like
• 'Helen Nicholson' West MI. 1961
  --------------------- lubbersii X dichroa , rhizomatous
• 'Helen W. King' Robinson AD 1920
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Helene Jaros' Lowe PP. 1975
  --------------------- 'Chumash' X 'Bow Joe' , rhizomatous
• 'Helo' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Her Majesty Sylvia Letterman' Leatherman S. ---
  --------------------- 'Pam Sue' X 'Midnight Cowboy' , ---
• 'Herb Warrick' Dunnell RC. 1975
  --------------------- Seed: Colour-vision series from Park Seed Company --- , rex cultorum
• 'Herbert Kennison' Lund S. 1978
  --------------------- 'Agnes Kennison' mutation --- , rhizomatous
• 'Herselph' Jeans K. 1980
  --------------------- 'Cowboy Jeans' X unnamed seedling , rhizomatous
• 'Herzog von Sagan' Teupel ---
  --------------------- --- --- , rex cultorum
• 'Hikoichi Arakawa' Daniels G. 1973
  --------------------- 'Metosa' X paulensis , shrub-like
• 'Hippie' Leatherman SB. 1969
  --------------------- Rex cultivar X Rex cultorum , rex cultorum
• 'Hippy Gone Straight' Plant Shop's Bo. Gns. 1976
  --------------------- 'Hippy' mutation --- , rex cultorum
• 'Hiro' Shigemi H. 1975
  --------------------- manicata 'Aureo-maculata Crispa' X liebmannii (or ludicra ?) , rhizomatous
• 'Ho Down' Cole B. 1978
  --------------------- 'Ho Hum' X unnamed Rex cultorum , rex cultorum
• 'Ho Hum' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Homossasa' Michelson FO. 1976
  --------------------- ulmifolia X bartonea hort. , shrub-like
• 'Honey' Frost G. 1976
  --------------------- 'Black Knight' X 'Chantilly Lace' , rhizomatous
• 'Honey Bug' Leatherman S. 1954
  --------------------- 'Grace' X 'J.D. Rockefeller' , rhizomatous
• 'Hooligan' Cole B. 1978
  --------------------- 'Ho Hum' X 'Big Boy' , rex cultorum
• 'Hot Diggity' Cole B. 1979
  --------------------- 'This 'N That' X 'Big Boy' , rex cultorum
• 'Houston' Ziesenhenne R. 1956
  --------------------- incarnata sandersii (?) X '42 S' seedling with red flowers , shrub-like
• 'Howzat' Yorke B. 1977
  --------------------- bowerae var. nigramarga X 'Stash' , rhizomatous
• 'Huddle' Cole B. 1978
  --------------------- 'Big Rex' X 'Sir Roy Yewell , rex cultorum
• 'Hula Skirt' Woodriff L. 1982
  --------------------- unnamed Rex cultivar X hemsleyana , rex cultorum
• 'Huopo' Lee PP. 1976
  --------------------- 'Chumash' X 'Chumash' , rhizomatous
• 'Hutspa' Lewis G. 1976
  --------------------- conchifolia var. rubrimacula X 'Dainty Lady' , rhizomatous
• 'Ida Kno' Asmussen 1978
  --------------------- unknown unknown , cane-like
• 'Illsley' Merry 1955
  --------------------- bowerae X mazae , rhizomatous
• 'Imatonic' Yorke B. 1977
  --------------------- 'Illsley' X bowerae var. nigramarga , rhizomatous
• 'Immense --- ~1936
  --------------------- 'Ricinifolia' seedling --- , rhizomatous
• 'Improved Aprodite Rose' --- ---
  --------------------- --- --- , tuberous, hiemalis
• 'Improved Krefeld Orange' --- ---
  --------------------- --- --- , tuberous, hiemalis
• 'Inca Princess' Woodriff L. 1978
  --------------------- incarnata X solananthera , cane-like
• 'Ingar' Meyer M. 1974
  --------------------- 'Stash' selfed --- , rhizomatous
• 'Inje' Horton D. 1954
  --------------------- 'Sheen X hidalgensis , rhizomatous
• 'Interlaken' (or 'Interlachen' ?) Robinson AD. 1933
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Intimate' Cole B. 1979
  --------------------- hatacoa 'Silver' X 'Lee's No. 9' , rex cultorum
• 'Inzae' Zug S. 1953
  --------------------- involucrata X mazae , rhizomatous
• 'Irene Nuss' Nuss I. 1971
  --------------------- 'Kentwood' X 'Lenore Olivier' , cane-like
• 'Irene Tapia' Ziesenhenne R. 1977
  --------------------- scharffiana X unknown , shrub-like
• 'Irish Coffee' Jeans K. 1980
  --------------------- 'Inglewood' X 'Helene Jaros' , rhizomatous
• 'Irish Dream' Woodriff L. 1979
  --------------------- 'Cleopatra' X unknown , rhizomatous
• 'Iron Weave' (Collage grex) Cole B. 1979
  --------------------- 'Cinco de Mayo' X 'Cachuma' , rhizomatous
• 'Iroquois' Logee 1979
  --------------------- unknown X unknown , rex cultorum
• 'Ivy Ever' Woodruff L. 1941
  --------------------- gracilis var. martiana X limmingheana , trailing/scandent
• 'J-11" --- ---
  --------------------- --- --- , thick-stemmed
• 'Jack Armstrong' Cole B. 1977
  --------------------- 'Cachuma' X manicata 'Crispa' hort. , rhizomatous
• 'Jack Golding' Kusler B. 1975
  --------------------- paranaensis X 'Jill Adair' selfed , shrub-like
• 'James' Ziesenhenne R. 1977
  --------------------- 'Dark Beauty' X 'Rouge' seedling , rhizomatous
• 'Jannali' Meyer M. 1972
  --------------------- 'Black Beauty' X dayi hort. (is glandulosa) , rhizomatous
• 'Jay Ayersman' Ziesenhenne R. 1975
  --------------------- incarnata X plebeja , thick-stemmed
• 'Jeaker' Turner M. 1981
  --------------------- heracleifolia var. nigricans X unknown , rhizomatous
• 'Jean' Robinson AD. 1930
  --------------------- --- --- , cane-like
• 'Jean Burns' Cole B. 1979
  --------------------- 'Big Boy' X unnamed Rex cultorum , rex cultorum
• 'Jean Herr' Kusler B. 1973
  --------------------- deliciosa X kenworthyae , rhizomatous
• 'Jean Pernet' --- 1981
  --------------------- --- --- , shrub-like
• 'Jeane Fleetham' Kusler BN. 1961
  --------------------- 'Lenore Olivier' selfed --- , cane-like
• 'Jessie' (see 'Phyllomaniaca' ) --- ---
  --------------------- --- --- , thick-stemmed
• 'Jessie Gale' Schwerdtfeger L. 1953
  --------------------- manicata "Crispa' X kenworthyae , rhizomatous
• 'Jill Adair' Kusler BN. 1973
  --------------------- African species X olsoniae , shrub-like
• 'Jim Rada' Cole B. 1978
  --------------------- unnamed Rex cultivar X 'H via P.L.' , rex cultorum
• 'Jinnie Mae' Robinson AD. 1930
  --------------------- coccinea seedling --- , cane-like
• 'Joan Strong' --- ---
  --------------------- --- --- , semperfloren
• 'Jocko' Bath B. 1957
  --------------------- 'Leslie Lynn X unknown , rhizomatous
• 'Jodrell Bank' MacIntyre ML. 1970
  --------------------- 'Norah Bedson' X 'Clifton' , rhizomatous
• 'Joe Bond' Lepisto G. 1975
  --------------------- versicolor X 'John Blais' , rhizomatous
• 'Joe Hayden' Ziesenhenne R. 1953
  --------------------- 'Reichenheimii X mazae , rhizomatous
• 'Joel Gillingwators' Gillingwators M. 1950
  --------------------- 'Adrien Schmidt' X spiral-leaved Rex cultivar , rex cultorum
• 'Johann Breddien' Burley H. 1975
  --------------------- aconitifolia 'Metallica' X unknown , cane-like
• 'John R' Schwerdtfeger L. 1953
  --------------------- hidalgensis X macdougallii (is thiemei ) (or reverse) , rhizomatous
• 'John Sousa' Lowe PP. 1975
  --------------------- 'Chumash' X 'Verde Grande' , rhizomatous
• 'John Tapia' Ziesenhenne R. 1975
  --------------------- scharffiana X unknown , shrub-like
• 'Jose' Behrends DS. 1953
  --------------------- induced mutation of B. 'Joe Hayden' --- , rhizomatous
• 'Jose Gaspar' Dorsey OA. ---
  --------------------- manicata var. auero-maculata X 'Ricinifolia' , rhizomatous
• 'Joseph's Coat' Blough W. 1955
  --------------------- chance seedling --- , rex cultorum
• 'Joyce Allison' Burley H. 1980
  --------------------- 'Zulu X 'Elizabeth Lockhart' , cane-like
• 'Julie Blais' Lepisto G. 1973
  --------------------- 'Changeant' X 'Reiga' , rex cultorum
• 'Jumbo' West M. ---
  --------------------- unknown X unknown , ---
• 'Jumbo Jet' Nuss I. 1978
  --------------------- 'Kentwood' X 'Orange Supreme' seedling , cane-like
• 'Kallaking' Nave C. ---
  --------------------- 'Calla Queen' X sempflorens , semperfloren
• 'Karinga' Meyer M. 1977
  --------------------- 'Fuscomaculata' X unknown , rhizomatous
• 'Kay Padavan' Padavan LT. 1978
  --------------------- 'Green Gold' X 'Crimson Glow' , rex cultorum
• 'Keeper' Cole B. 1978
  --------------------- 'This 'N That' X unknown , rex cultorum
• 'Kelli-Anne' Burley H. 1975
  --------------------- aconitifolia 'Metallica' X 'Corallinda de Lucerna' , cane-like
• 'Ken Lau Ren? Nuss I. 1973
  --------------------- 'Kentwood? X 'Laura Englebert? , cane-like
• 'Kenann' Turner M. 1952
  --------------------- bowerae X unknown , rhizomatous
• 'Kenilu? Nuss I. 1978
  --------------------- 'Kentwood' X lubbersii , cane-like
• 'Kent Brandon' Nuss I. 1971
  --------------------- 'Kentwood' X 'Lenore Olivier' , cane-like
• 'Kentwood' Nuss I. 1969
  --------------------- 'Elizabeth Lockhart' X sceptrum seedling , cane-like
• 'Kewensis' Watanabe 1981
  --------------------- chance seedling , shrub-like
• 'King Leo' Lowe PP. 1972
  --------------------- 'Ricinifolia' var. 'Immense' X 'Leo Rowan' , rhizomatous
• 'Kingsbury' Merry PI. ---
  --------------------- kenworthyae X 'Beatrice Haddrell' , rhizomatous
• 'Kissimmee' Michelson FO. 1949
  --------------------- incana X unknown , thick-stemmed
• 'Kit's Unicorn' Jeans K. 1979
  --------------------- 'Venetian Red' X listida hort. ( is listada ) , rex cultorum
• 'Kitten' (Ron Cat grex) Cole B. 1979
  --------------------- 'Ronnie Nevins' X 'Cachuma' , rhizomatous
• 'Knickerbocker' Cole B. 1981
  --------------------- hypolipara X macdougallii var. purpurea hort. , rhizomatous
• 'Kongo' Zug S. 1954
  --------------------- kenworthyae X mazae , rhizomatous
• 'Kosmatka' Frost G. 1975
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Kristy' Lee MM. 1977
  --------------------- 'Lana' X unknown , cane-like
• 'Kumwha' Horton D. 1954
  --------------------- kenworthyae X 'Reichenheimii' , rhizomatous
• 'Kylie' Meyer M. 1973
  --------------------- 'Weltonensis' X unknown , cane-like
• 'La Paloma' Asmussen 1979
  --------------------- 'Pinafore X 'Ionic' , cane-like
• 'La Verne Hanell' Cole B. 1979
  --------------------- 'Big Boy' X 'Big Rex' , rex cultorum
• 'Lacadasycal' Cole B. 1979
  --------------------- unnamed Rex cultivar X 'Edie's favorite' , rex cultorum
• 'Lacewing' Lowe PP. 1972
  --------------------- 'Chumash' X 'Aries' , rhizomatous
• 'Lady Circe' Worley P J 1980
  --------------------- 'Lospe-tu' X wollnyi , thick-stemmed
• 'Lady Clare' Jensen W. 1953
  --------------------- scharffiana X luxurians Scheidw. , shrub-like
• 'Lady Florita Cowell' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Lady Frances Jean' Leatherman SB. 1969
  --------------------- Rex cultivar X Rex cultorum , rex cultorum
• 'Lady Frances Leatherman' Leatherman SB. 1969
  --------------------- Rex cultivar X Rex cultorum , rex cultorum
• 'Lady Joanne' Fisher C.E. 1954
  --------------------- 'Carnot' X unnamed seedling , rex cultorum
• 'Lady Low' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Lakewood' Gillingwators M. ---
  --------------------- 'Adrien Schmidt' X spiral-leaved Rex cultivar , rex cultorum
• 'Lakewood Gardens' (or 'Lakewood' ?) Frost G. 1978
  --------------------- 'Chumash' X 'Black Knight' , ---
• 'Lament' Cole B. 1979
  --------------------- 'Lamont Cranston' X This 'N That' , rex cultorum
• 'Lana' Lee PP. 1973
  --------------------- 'Elizabeth Lockhart' X unknown , cane-like
• 'Laura Engelbert' Kusler BN. 1961
  --------------------- dichroa X 'Elaine' , cane-like
• 'Laura Jane' Schwerdtfeger L. 1957
  --------------------- acetosa X acida , rhizomatous
• 'Lavender Glow' Woodriff 1942
  --------------------- grandis ssp. evansiana X Rex cultivar , rex cultorum
• 'Leatherman's Reiga' Teupel ---
  --------------------- --- --- , rex cultorum
• 'Lecco' Robinson AD. 1933
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Lee's No. 9' --- ---
  --------------------- --- --- , rex cultorum
• 'Lenore Oliver' Kusler BN. 1961
  --------------------- dichroa X 'Elaine' , cane-like
• 'Leo Rowan' Budd RM. 1961
  --------------------- heracleifolia var. nigricans X unknown , rhizomatous
• 'Leora' Schwerdtfeger L. 1953
  --------------------- imperialis X metallica , rhizomatous
• 'Leslie Lynn' Motschman D. ~1950
  --------------------- 'Lexington' X dayi hort. (is glandulosa) , rhizomatous
• 'Letty' Behrends DS. 1953
  --------------------- 'Lettonica' selfed --- , rhizomatous
• 'Lewis's Zip' Lewis G. 1976
  --------------------- conchifolia var. rubrimacula X 'Cleopatra' , rhizomatous
• 'Lexington' Slocum EV. 1952
  --------------------- heracleifolia var. sunderbruckii hort. X unknown , rhizomatous
• 'Libby Lee' Schuler 1981
  --------------------- bowerae X 'Bow-Nigra' , rhizomatous
• 'Liebstar' Zug S. 1953
  --------------------- liebmannii X 'Silver Star' , rhizomatous
• 'Lightening' Behrends DS. 1953
  --------------------- induced mutation of B. 'Joe Hayden' --- , rhizomatous
• 'Lil O'Neill' Kusler B. 1973
  --------------------- 'Lenore Olivier' X hydrocotylifolia , cane-like
• 'Lilbreen' MacIntyre ML. 1974
  --------------------- 'Norah Bedson' X unstated , rhizomatous
• 'Lillian Patburg' Frost G. 1976
  --------------------- 'Black Knight' X Chumash' , rhizomatous
• 'Lillian Sloan' Lighthart J. 1953
  --------------------- metallica X fernando-costae , shrub-like
• 'Lime Ade' Leatherman S. 1954
  --------------------- 'Silver Green Heart' X grandis ssp. evansiana , rhizomatous
• 'Lime Freeze' Ziesenhenne R. 1977
  --------------------- 'Cachuma' selfed --- , rhizomatous
• 'Lime Swirl' Woodriff L. 1982
  --------------------- unknown X unknown , rhizomatous
• 'Linda' --- ---
  --------------------- --- --- , semperfloren
• 'Little Darling' Standford U.U. 1967
  --------------------- 'Burgandy Queen' X bowerae var. nigramarga , rhizomatous
• 'Little Fantasy' Woodriff L. 1982
  --------------------- unknown X unknown , rex cultorum
• 'Little Joe' Lowe PP. 1974
  --------------------- 'Virbob' X 'Libby Lee' , rhizomatous
• 'Little Winky' Woodriff L. 1976
  --------------------- bogneri X solananthera , rhizomatous
• 'Lizzy Pearl' Cole B. 1977
  --------------------- macdougallii var. purpurea hort. X 'Ona Mae' , rhizomatous
• 'Loco' Cole B. 1979
  --------------------- 'Lee's No. 9' X hatacoa 'Silver' , rex cultorum
• 'Lois Burks' Worley P J 1982
  --------------------- dregei is one of the parents (or 'Mandarin X partita ?) , shrub-like
• 'Longhorn' Wagner WW. 1975
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'Looking Glass' Worley P J 1981
  --------------------- 'Lana' X 'Opra C. Fox' , cane-like
• 'Lorene Brown' Michelson F. 1976
  --------------------- fernando-costae X Brazil species No. 2 (or peruviana ?) , shrub-like
• 'Lory Hansen' Ziesenhenne R. 1975
  --------------------- 'Frieda Grant' X unknown , shrub-like
• 'Los Angeles' MacLanahan D. 1955
  --------------------- 'Bow-Chancee' X 'Bow-Chancee' , rhizomatous
• 'Lospe' Ziesenhenne R. 1975
  --------------------- 'Bowtique' X carrieae , rhizomatous
• 'Lospe-tu' Ziesenhenne R. 1975
  --------------------- 'Bowtique' X carrieae , rhizomatous
• 'Lou Gilda' Oribata J. 1973
  --------------------- 'Lucerna' x coccinea X 'Curly Siversweet' , cane-like
• 'Louise Closson' --- 1889
  --------------------- 'Louise Chretien' seedling --- , rex cultorum
• 'Louise Lackey' Leatherman S. 1954
  --------------------- 'Grayback Mountain' X 'El Monte' , rhizomatous
• 'Louise S. Rubra' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Lowe Star' Lowe PP. 1972
  --------------------- 'Sunderbruchii' X fusca , rhizomatous
• 'Lowe's Favorite' Lowe PP. 1972
  --------------------- 'Fiesta' X 'Fiesta' , rex cultorum
• 'Lowe's Pet' Lowe PP. 1972
  --------------------- 'Bow-Nigra' X 'Maphil' , rhizomatous
• 'Lowe's Ricinifolia' Lowe PP. 1972
  --------------------- 'Ricinifolia' X unknown , rhizomatous
• 'Lubbergei' Usemura 1966
  --------------------- lubbersii X dregei , cane-like
• 'Lucendro' Robinson AD. 1933
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Lucerna' (syn. 'Corallina de Lucerna') Ganse & Bissell (or Wettstine ?) 1892
  --------------------- teuscheri X rubra hort. (is B. coccinea ) , cane-like
• 'Lucille Rolfe' Meyer M. 1973
  --------------------- leptotricha X'White Semperflorens' X 'Red Lucerne' , cane-like
• 'Lucy Brooks' Brooks WG. 1952
  --------------------- Identified as specie B. balsamiana --- , tuberous
• 'Lucy Closson' Jacob-Makoy 1886
  --------------------- --- --- , rex cultorum
• 'Lucy Lockett' Martin JL. ---
  --------------------- --- --- , semperfloren
• 'Lugano' Robinson AD 1920
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Lulu Bower' Bower CD. 1941
  --------------------- dichroa X 'Alzasco' (or reverse) , cane-like
• 'Luwalter' Ziesenhenne R. 1975
  --------------------- mazae X incarnata , shrub-like
• 'Lynn' Wyrtzen J. 1976
  --------------------- chance seedling --- , rex cultorum
• 'Lyric' Zug S. 1954
  --------------------- kenworthyae X liebmannii , rhizomatous
• 'Mable Corwin' Kusler B. 1975
  --------------------- listida hort. X 'Jill Adair' , shrub-like
• 'Mac-Alice' Schwerdtfeger L. 1953
  --------------------- imperialis X macdougallii (is thiemei ) , rhizomatous
• 'Maccata' Zug S. 1952
  --------------------- macdougallii X manicata , rhizomatous
• 'Macho' Cole B. 1979
  --------------------- 'Art Anthony' X 'Big Rex' , rex cultorum
• 'Macushla' Ziesenhenne R. 1975
  --------------------- 'Madame Queen' X carrieae , rhizomatous
• 'Madame Butterfly' (Rhizom.) Woodriff L. 1977
  --------------------- 'Zip' X carolineifolia , rhizomatous
• 'Madame Queen' Bath B. 1957
  --------------------- manicata 'Aureo-maculata Crispa' X 'Leslie Lynn' , rhizomatous
• 'Mae Bee' Wells Y. 1975
  --------------------- versicolor X morelii , rhizomatous
• 'Magdalene Madsen' Kusler B. 1973
  --------------------- listida hort. X echinosepala , shrub-like
• 'Maggiore' Robinson AD. 1933
  --------------------- --- --- , ---
• 'Magic Carpet' Peace R. 1971
  --------------------- metallica X hispida var. cucullifera , shrub-like
• 'Magic Elf' Woodriff L. 1977
  --------------------- 'Madame Queen' X 'Bokit' , rhizomatous
• 'Magic Lace' Woodriff L. 1982
  --------------------- imperialis X 'Bokit' , rhizomatous
• 'Magic Valley' Frost G. 1975
  --------------------- 'Persian Brocade' X dayi hort. (is glandulosa) , rhizomatous
• 'Maid Marion' Worley P J 1980
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Malde' Meyer M. 1973
  --------------------- 'Black Beauty' X hidalgensis , rhizomatous
• 'Mamie Eisenhower' Dorsey DL. 1973
  --------------------- 'Old Smoky' X unknown Rex cultorum , rex cultorum
• 'Manacris' Michelson F. 1976
  --------------------- manicata 'Crispa' chance seedling --- , rhizomatous
• 'Manahydro' Michelson F. 1976
  --------------------- 'Manacris' X hydrocotylifolia , rhizomatous
• 'Mandiana' MacLanahan D. 1954
  --------------------- leptotricha X schmidtiana , semperfloren
• 'Manuel' Ziesenhenne R. 1978
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Many Colours' (or 'Many Colors' ?) MacIntyre ML. 1970
  --------------------- 'Norah Bedson' X 'Clifton' , rhizomatous
• 'Maphil' Walker M. 1952
  --------------------- bowerae X unknown , rhizomatous
• 'Mara' Meyer M. 1974
  --------------------- unknown parentage --- , rhizomatous
• 'Marga' Ziesenhenne R. 1975
  --------------------- 'MacDougall #318' X bowerae var. nigramarga , cane-like (or trail/scandent ?)
• 'Margaret Aman' Dorsey DL. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Margaret Taylor' Frost G. 1978
  --------------------- 'Lenore Olivier' X lubbersii , cane-like
• 'Margaritacea' --- 1883
  --------------------- 'Arthur Mallet' X coccinea , cane-like
• 'Margaritae' --- 1981
  --------------------- echinosepala X aconitifolia 'Hildegard Schneider' , shrub or cane-like ?
• 'Marge Rubra' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Margret Stevens' Kusler B. 1973
  --------------------- 'Lenore Olivier' X goegoensis , cane-like
• 'Marguerite de Cola' Kusler 1981
  --------------------- 'Norah Bedson' X dregei , cane-like
• 'Marguerite Horn' Cole B. 1976
  --------------------- 'Cleopatra' X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Marie Reed' Schwerdtfeger L. 1953
  --------------------- mazae X kellermanii , rhizomatous (thick-stem ?)
• 'Marjorie Sibley' Kusler B. 1973
  --------------------- hydrocotylifolia X 'Kusler No. 2' , cane-like
• 'Marleigh'a Choice' Sibiskie A. Mrs. 1961
  --------------------- 'Templini' X 'Bow-Nigra' , ---
• 'Marmin' Turner M. 1954
  --------------------- 'Lettonica' selfed --- , rhizomatous
• 'Martha' Robinson AD. 1930
  --------------------- --- --- , ---
• 'Martha Floro' Kusler B. 1973
  --------------------- 'Lenore Olivier' X lubbersii , cane-like
• 'Mary' Robinson AD. 1930
  --------------------- --- --- , cane-like
• 'Mary Deane' Tate V. 1982
  --------------------- ficicola X cispula , rhizomatous
• 'Mary's Curl' Gillingwators M. ---
  --------------------- heracleifolia pyramidalis X manicata 'Auero maculata Crispa' , rhizomatous
• 'Mathilde Warns' Burley H. 1975
  --------------------- aconitifolia 'Metallica' X unknown , tuberous
• 'Max' Cole B. 1982
  --------------------- nulumbiifolia (red-veined form) X thiemei , rhizomatous
• 'Maximilian' Zug S. 1952
  --------------------- manicata X macdougallii (is thiemei ) , rhizomatous
• 'Maxine Wilson' Jeans K. 1979
  --------------------- 'Venetian Red' seedling X listida hort. ( is listada ) , rex cultorum
• 'May Drew' Fort E. 1956
  --------------------- 'Paul Bruant' X 'Reichenheimii' , rhizomatous
• 'Maybelle E.' Robinson AD. 1922
  --------------------- 'Lucerna' seedling --- , cane-like
• 'McBride's Nepoleon' Ziesenhenne R. 1975
  --------------------- 'Reichenheimii' X thiemei , rhizomatous
• 'Medora' Gray EK 1926
  --------------------- chance seedling --- , shrub-like
• 'Melanie Babin' Kennedy H. Mrs.. 1967
  --------------------- 'Orange Rubra' X unknown , cane-like
• 'Melisse' Bower CD. ---
  --------------------- 'Margaritacea' X 'Lulu Bower' , cane-like
• 'Mellow Sunset' Cole B. 1978
  --------------------- 'Green Frills' X 'Pam Sue' , rex cultorum
• 'Memory Beryl Allen' Dorsey DL. 1974
  --------------------- unnamed Rex cultivar X 'Helen Teupel' , rex cultorum
• 'Mephistopheles' Cole B. 1979
  --------------------- 'Witch's Lore' X 'Pam Sue' , rex cultorum
• 'Mercury' O'Reilly T. 1970
  --------------------- 'Norah Bedson' X 'Leslie Lynn' , rhizomatous
• 'Merinda' Meyer M. 1973
  --------------------- unknown X unknown , cane-like
• 'Metosa' Ziesenhenne R. 1975
  --------------------- tomentosa X metallica , shrub-like
• 'Meximperia' Morel G. 1956
  --------------------- mexicana X imperialis 'Otto Foster' , rhizomatous
• 'Midget' (Rex c.) Flaitz 1938
  --------------------- --- --- , rex cultorum
• 'Midnight Magic' O'Reilly T. ~1966
  --------------------- --- --- , rex cultorum
• 'Midnight Sun' Martin 1980
  --------------------- 'Jill Adair' X 'Burle Marx' , shrub-like
• 'Midnight Twilster' Woodriff L. 1979
  --------------------- conchifolia var. rubrimacula X 'Bokit' , rhizomatous
• 'Milky Way' Cole B. 1979
  --------------------- 'Lamont Cranston' X 'Big Boy' , rex cultorum
• 'Millie Thompson' Lepisto G. 1975
  --------------------- versicolor X 'John Blais' , rex cultorum
• 'Milpas' Ziesenhenne R. 1975
  --------------------- pinetorum X liebmannii , rhizomatous
• 'Mini Merry' (or 'Mini-Merry' ?) Woodriff L. 1979
  --------------------- unknown X unknown , rex cultorum
• 'Mintie Bryant' Frost G. 1975
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Mish' Ziesenhenne R. 1975
  --------------------- kellermanii X carrieae , thick-stemmed
• 'Misty' Lee PP. 1973
  --------------------- 'Elizabeth Lockhart' X unknown , cane-like
• 'Misty Meadows' Logee 1979
  --------------------- 'Lospe-tu' X carrieae , rhizomatous
• 'Miyo Berger' Kusler B. 1973
  --------------------- 'Tingley Mallet' X 'Lenore Olivier' , shrub-like
• 'Moly Poly' Woodriff L. 1978
  --------------------- molleri X polygonoides , trailing/scandent
• 'Mom's Favorite' (syn. 'Mother's Plant') Woodriff L. 1982
  --------------------- imperialis X unknown , rhizomatous
• 'Moon Bug' Neal JE. Mrs. 1969
  --------------------- 'Beatrice Haddrell' X masoniana , rhizomatous
• 'Moonkissed' Cole B. 1979
  --------------------- 'Helen Shortt' X 'Big Boy' , rex cultorum
• 'Morning Mist' Burley H. 1975
  --------------------- imperialis X 'Sir Percy' , rhizomatous
• 'Morning Star' Lowe PP. 1980
  --------------------- 'Chumash' X 'Joe Hayden' , rhizomatous
• 'Motley' MacIntyre ML. 1974
  --------------------- 'Norah Bedson' X pustulata , rhizomatous
• 'Mottled Sheen' Horton D. 1954
  --------------------- 'Joe Hayden' X bowerae , rhizomatous
• 'Mount Baldy' Gillingwators M. 1954
  --------------------- 'Pink Lady' X 'Fireflush' , rhizomatous
• 'Mount Soledad' Maley P. 1982
  --------------------- 'Essie Hunt' X carrieae , rhizomatous
• 'Mrs Hashimoto' Hashimmoto S. 1977
  --------------------- 'Lucerna' X 'Frances Lyons' , cane-like
• 'Mrs. Black' Lowe PP. 1972
  --------------------- unknown X unknown , rex cultorum
• 'Mrs. Fred D. Scripps' Scripps 1935
  --------------------- scharffiana X luxurians , cane-like
• 'Mrs. Helen Harms' --- ---
  --------------------- --- --- , semperfloren
• 'Mrs. Schinkle' Robinson AD. 1930
  --------------------- coccinea seedling --- , cane-like
• 'Mrs. W.D. Harney' Robinson AD. 1930
  --------------------- coccinea seedling --- , cane-like
• 'Ms Priss' Asmussen 1979
  --------------------- 'Pinafore' X 'Lenore Olivier' , cane-like
• 'Mugwump' Cole B. 1979
  --------------------- 'Big Red' X 'Green Friolls' , rex cultorum
• 'Mulgowie Pride' Yorke B. 1977
  --------------------- 'Stash' X bowerae var. nigramarga , rhizomatous
• 'Multiflora Rosea' ('Floribunda Rosea') --- ---
  --------------------- --- --- , shrub-like
• 'Mumtaz' Kartuz M. ---
  --------------------- goegoensis X rajah , rhizomatous
• 'Munchkin' Logee 1979
  --------------------- 'Madame Queen' X carrieae , rhizomatous
• 'Muriel Day' Ziesenhenne R. 1975
  --------------------- liebmannii X imperialis , rhizomatous
• 'Murray Morrison' Kusler B. 1975
  --------------------- listida hort. X paranaensis , shrub-like
• 'Mussolini' Robinson AD. 1933
  --------------------- --- --- , ---
• 'Mustang' Wagner WW. 1976
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'My Valentine' Woodriff L. 1978
  --------------------- unnamed Rex cultivar X unknown , rex cultorum
• 'Myrtle-Bee' Budd RM. 1973
  --------------------- 'Fleecealba' X purpurea , rhizomatous
• 'Nagare' Shigemi H. 1975
  --------------------- manicuta 'Aureo-maculata Crispa' X 'Zip' , rhizomatous
• 'Nancy Gail' Kusler B. 1961
  --------------------- 'Lenore Olivier' X dregei , cane-like
• 'Nanima var. Gillian' Sharrad MCR. 1971
  --------------------- masoniana X evansiana , cane-like
• 'Nanima var. Ruby' Sharrad MCR. 1971
  --------------------- masoniana X evansiana , rhizomatous
• 'Naramata' West M. 1964
  --------------------- 'Merry Christmas' X rex , rex cultorum
• 'Neat Thing' Cole B. 1978
  --------------------- 'Lee's No. 9' X 'Big Rex' , rex cultorum
• 'Needham' Merry PI. 1953
  --------------------- kenworthyae X 'Beatrice Haddrell' , rhizomatous
• 'Neuchatel' Robinson AD. 1933
  --------------------- --- --- , cane-like
• 'Nibowcans' MacLanahan D. 1954
  --------------------- 'Bow-Nigra' X heracleifolia var. nigricans , rhizomatous
• 'Nice Guy' Cole B. 1979
  --------------------- 'Ho Hum' X 'Silver Giant' , rex cultorum
• 'Nicomen' West M. 1964
  --------------------- 'Peggy-Ann' X rex , rex cultorum
• 'Nightmare' Woodriff L. 1978
  --------------------- 'Red Planet' X carolineifolia , rhizomatous
• 'Nita McClain' Blanton M. 1977
  --------------------- wollnyi X malabarica var. malabarica , thick-stemmed
• 'Nocturne' Karper 1968
  --------------------- bowerae X mazae , rhizomatous
• 'Nokomis' Lee MM. 1976
  --------------------- 'Lana' X unknown , cane-like
• 'Nomo' Nave C. 1963
  --------------------- 'Calla Queen' X red semperflorens , semperfloren
• 'Nooroo' Meyer M. 1972
  --------------------- 'Black Beauty' X dayi hort. (is glandulosa) , rhizomatous
• 'Nora Hanson' Kusler BN. 1973
  --------------------- sceptrum (is aconitifolia) X 'Lenore Olivier' , cane-like
• 'Norah Bedson' Bedson FJ. ---
  --------------------- bowerae X cristobalensis (or strigillosa ?) , rhizomatous
• 'Numeralla' Meyer M. 1972
  --------------------- 'Black Beauty' X dayi hort. (is glandulosa) , rhizomatous
• 'Ocala' Michelson F. 1979
  --------------------- listida hort. X unknown , shrub-like
• 'Odessey' Philips B. ---
  --------------------- --- --- , rex cultorum
• 'Oh No' O'Reilly T. 1971
  --------------------- olsoniae X listida hort. ( is listada ) , shrub-like
• 'Oh Razzberries' Cole B. 1978
  --------------------- 'This 'N That' X 'Big Red' , rex cultorum
• 'Oh Tex' Cole B. 1981
  --------------------- 'Bowtique' X 'Lospe-tu' , rhizomatous
• 'Old Witch' --- ---
  --------------------- --- --- , rex cultorum
• 'Olei Silver Spot' Nakamura 1979
  --------------------- 'Orange Rubra' X unknown , cane-like
• 'Olfri' Michelson F. 1976
  --------------------- olsoniae X friburgensis , shrub-like
• 'Olive Milliman' Lowe PP. 1973
  --------------------- bowerae var. nigramarga X 'Baby Perfectifolia' , rhizomatous
• 'Oliver Twist' Logee 1979
  --------------------- 'Madame Queen' X carrieae , rhizomatous
• 'Ona-Mae' Basye J. 1973
  --------------------- violaefolia X prismatocarpa , rhizomatous
• 'Oneda Lake' Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X imperialis var. maculata , rhizomatous
• 'Orange Delight' Woodriff L. 1979
  --------------------- 'Salmon Sweety' X B. socotrana X B. 'Wild Rose' --- , tuberous, hiemalis
• 'Orange Rubra' Woodriff 1947
  --------------------- dichroa X 'Coral Rubra' , cane-like
• 'Orange Supreme' Ziesenhenne R. 1941
  --------------------- 'Shasta' X dichroa , cane-like
• 'Orangeade' Dillard 1962
  --------------------- 'Pink Parade' X 'Orange Rubra' , cane-like
• 'Orb' Cole B. 1979
  --------------------- hidalgensis X nelumbifolie (red-veined form) , rhizomatous
• 'Orell' (or 'Orrell ?) Robinson AD 1920
  --------------------- --- --- , cane-like
• 'Organdy' Benary E. 1949
  --------------------- unknown X unknown , semperfloren
• 'Orpha C. Fox' Kartuz M. 1974
  --------------------- 'Hannah Serr' seedling --- , cane-like
• 'Osceola' (or 'Osceolla' ?) Michelson F. 1979
  --------------------- listida hort. (or listada ?) X unknown , shrub-like
• 'Osoto' Lee MM. 1976
  --------------------- 'Lana' X unknown , cane-like
• 'Othello' --- ---
  --------------------- --- --- , semperfloren
• 'Otto Alfred' Schwerdtfeger L. 1952
  --------------------- strigillosa X barkeri , rhizomatous
• 'Otto Forester' Froebel O. 1876
  --------------------- imperialis X Rex cultivar , rhizomatous
• 'Paiute' Lee MM. 1976
  --------------------- 'Norah Bedson' X heracleifolia var. 'Sunderbruchii' , rhizomatous
• 'Pale Pink Poi' Rutherford P. ---
  --------------------- parents not listed --- , semperfloren
• 'Palmgarten' Kartuz M. 1977
  --------------------- carolineifolia X 'Leslie Lynn' , cane-like
• 'Palu' Robinson AD. 1933
  --------------------- --- --- , cane-like
• 'Pan' Cole B. 1979
  --------------------- Panama species X unnamed Rex cultorum , rex cultorum
• 'Panasoffkee' Michelson 1976
  --------------------- U009 X unidentified species seedling , trailing/scandent
• 'Pappillon' Asmussen 1979
  --------------------- 'Pinafore' X 'Ionic' , cane-like
• 'Paris Market' --- ---
  --------------------- --- --- , semperfloren
• 'Parraweena' Meyer M. 1976
  --------------------- 'Kooleena' X bowerae , rhizomatous
• 'Patapsco' Lee MM. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Patricia Ogdon' Frost G. 1975
  --------------------- 'Chantilly Lace' X 'Black Knight' , rhizomatous
• 'Pattern' Shigemi H. 1972
  --------------------- 'Virbob' X 'Verde Grande' seedling , rhizomatous
• 'Patty Bar' Schwerdtfeger L. 1953
  --------------------- 'Fuscomaculata' X barkeri , rhizomatous
• 'Paul Bee' ( or 'Paul-bee' ?) Budd RM. 1967
  --------------------- paulensis X echinosepala , cane-like (or shrub-like ?)
• 'Paulo' Lowe PP. 1972
  --------------------- 'Bow-Chancee' X unknown , rhizomatous
• 'Paul's Donna' Sibiskie A. Mrs. 1961
  --------------------- 'Templini' X 'Bow-Nigra' , ---
• 'Paul's Shari' Sibiskie A. Mrs. 1961
  --------------------- 'Templini' X 'Bow-Nigra' , ---
• 'Peach Blossom' --- ---
  --------------------- unknown X unknown , ---
• 'Pebble Lane' Zug S. 1955
  --------------------- 'Speculata' X 'Sir Percy' , rhizomatous
• 'Peggy Frost' Frost G. 1976
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Peggy Lynn' Antonelli Bros. 1982
  --------------------- 'Orange Rubra' X 'Lucerna' , cane-like
• 'Peggy Stevens' Kusler B. 1973
  --------------------- 'Lenore Olivier' X goegoensis , cane-like
• 'Peggy-Ann' West M. ---
  --------------------- unknown X unknown , ---
• 'Penny O' Day' Wilderson E. 1969
  --------------------- dayi (was written dayii ) X hydrocotylifolia , rhizomatous
• 'People' Cole B. 1982
  --------------------- 'Dark Forest X 'Lime Freeze' , rhizomatous
• 'Pequena' --- 1954
  --------------------- 'Adrian Schmidt' X unnamed Rex cultorum , rex cultorum
• 'Perfectiflora' --- 1981
  --------------------- --- --- , shrub-like
• 'Peridot' Kartuz M. 1981
  --------------------- 'Wood Nymph' sport --- , rex cultorum
• 'Perle de Lorraine' Lemoine 1901
  --------------------- polyantha X daedalea (is strigillosa) , thick-stemmed
• 'Persian Brocade' Dillard 1961
  --------------------- bowerae X 'Maphil' , rhizomatous
• 'Persian Swirl' Kartuz M. 1976
  --------------------- 'Royal Swirl' seedling --- , rex cultorum
• 'Petey' Lowe PP. 1973
  --------------------- 'Chumash' X 'Virbob' , rhizomatous
• 'Petite Elegante' Worley P J 1980
  --------------------- 'Alva Graham' X hatocoa 'Silver' , shrub-like
• 'Petite Rouge' Worley P J 1980
  --------------------- 'Alva Graham' X hatocoa 'Silver' , shrub-like
• 'Phantom' grex Lee PP. 1970
  --------------------- lubbersii X platanifolia ( or leathermaniae ?) , shrub-like
• 'Phoebe Mather' Fort E. 1956
  --------------------- 'Paul Bruant' X mazae , rhizomatous
• 'Phoebe Sessions' Frost G. 1975
  --------------------- 'Persian Brocade' X dayi hort. (is glandulosa) , rhizomatous
• 'Phyllis Bates' Cole B. 1982
  --------------------- 'Cam Sue' X unnamed Rex cultorum , rex cultorum
• 'Phyllomaniaca' --- ---
  --------------------- incarnata X manicata , thick-stemmed
• 'Piccolo' Shigemi H. 1975
  --------------------- imperialis X aridicaulis , rhizomatous
• 'Pinafore' Martin EE. 1954
  --------------------- 'Elaine' seedling --- , cane-like
• 'Pink African Violet Begonia' Woodriff L. 1978
  --------------------- herbacea X socotrana , tuberous
• 'Pink Chaser' Woodriff L. 1978
  --------------------- solananthera x prismatocarpa X socotrana , trailing/scandent
• 'Pink Colossal' Cole B. 1981
  --------------------- valida X 'Sylvia Leatherman' , thickstem
• 'Pink Dream' Woodriff L. 1978
  --------------------- 'Patty Sweet' X B. socotrana X herbacea , tuberous, hiemalis
• 'Pink Jade? Nuss I. 1978
  --------------------- 'Kentwood' X lubbersii , cane-like
• 'Pink Lemonade' Frost G. 1975
  --------------------- 'Pearlii' X staudtii var. dispersipilosa , rhizomatous
• 'Pink Nacre' Lowe PP. 1973
  --------------------- conchifolia X 'Pearlii' , rhizomatous
• 'Pink Parade' Nisbet 1981
  --------------------- dichroa seedling --- , cane-like
• 'Pink Pelican' Cole B. 1979
  --------------------- 'Lamoht Cranston' X 'Pam Sue' , rex cultorum
• 'Pink Petticoat' Leatherman S. 1954
  --------------------- 'Spider Web' X 'Grayback Mountain' , rhizomatous
• 'Pink Princess' Kemp C. 1978
  --------------------- 'Patty Sweet' X unnamed tuberous hybrid , tuberous, tuberhybrid
• 'Pink Profusion' --- ---
  --------------------- --- --- , semperfloren
• 'Pink Rubra' Shepherd TB. ~1930
  --------------------- --- --- , cane-like
• 'Pink Shasta' Robinson AD. 1932
  --------------------- coccinea seedling --- , cane-like
• 'Pink Supreme' Ziesenhenne R. 1941
  --------------------- 'Shasta' X dichroa , cane-like
• 'Poplar' Zug S. 1954
  --------------------- acida X 'Pearlii' , rhizomatous
• 'Porgy' Ziesenhenne R. 1977
  --------------------- 'Madame Queen' X carrieae , rhizomatous
• 'Posy Wahl' Kusler B. 1973
  --------------------- hydrocotylifolia X 'Lenore Olivier' , cane-like
• 'President Carnot' Crozy 1890
  --------------------- corallina X olbia , cane-like
• 'Prestoniensis' Frost T. 1853
  --------------------- cinnabarina X incarnata , ---
• 'Prunifolia' Robinson AD. 1925
  --------------------- 'Viaudii' seedling --- , shrub-like
• 'Puberty' Cole B. 1977
  --------------------- 'Cachuma' X manicata 'Crispa' hort. , rhizomatous
• 'Purple Ghost' Dorsey DL. 1974
  --------------------- 'Marion Louise' X unnamed Rex Cultorum seedling , rex cultorum
• 'Purple Petticoats' Lee PP. 1968
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Purple Star' Lowe PP. 1973
  --------------------- heracleifolia var. sunderbruckii hort. X 'Joe Hayden' , rhizomatous
• 'Quakertown' Furguson PC. 1969
  --------------------- olsoniae X 'Jill Adair' , shrub-like
• 'Qualicum' West M. ---
  --------------------- 'Peggy-Ann' X rex , rex cultorum
• 'Quasar' Cole B. 1978
  --------------------- masoniana X 'Green Frills' , rex cultorum
• 'Question Mark' Kusler B. 1973
  --------------------- hydrocotylifolia X 'Lenore Olivier' , cane-like
• 'Quinebaug' Logee 1976
  --------------------- scharffiana X hispida var. cucullifera , shrub-like
• 'Racemiflora' Lemoine 1884
  --------------------- gracilis var. martiana X racemiflora 'Rosea' , trailing/scandent
• 'Radiant Pink' Woodriff L. 1978
  --------------------- 'Patty Sweet' X German hiemalis X socotrana , tuberous, hiemalis
• 'Rainbow Tree' Woodriff L. 1978
  --------------------- unknown parentage --- , rex cultorum
• 'Raindrops' Peace R. 1971
  --------------------- sceptrum seedling X 'Elaine' , cane-like
• 'Rajkumari' Seitner P. 1975
  --------------------- sudjanae X rajah , rhizomatous
• 'Rama' Horton D. 1954
  --------------------- 'Reichenheimii' X acida , rhizomatous
• 'Ramirez' Ziesenhenne R. 1977
  --------------------- scharffiana X bradei , shrub-like
• 'Raquel Wood' Kusler B. 1973
  --------------------- 'Bow Nigra' X manicata var. aureo-maculata , rhizomatous
• 'Raspberry Swirl' Woodriff L. 1982
  --------------------- unnamed Rex cultivar X hemsleyana , rex cultorum
• 'Ratchy Patchy' Cole B. 1978
  --------------------- 'Big Rex' X unnamed Rex cultorum , rex cultorum
• 'Ray Weakley' Lowe PP. 1974
  --------------------- 'Chumash' X 'Verde Grande' , rhizomatous
• 'Raythel' Schwerdtfeger L. ---
  --------------------- fernando-costae X epipsila , shrub-like
• 'Red Bellybutton' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X bowerae , rhizomatous
• 'Red Berry' Berry ~1930
  --------------------- --- --- , rex cultorum
• 'Red Bluff' Zug S. 1954
  --------------------- 'Dark Sheen' X manicata , rhizomatous
• 'Red Doll' Woodriff 1980
  --------------------- unknown X unknown , rhizomatous
• 'Red Planet' MacIntyre ML. 1970
  --------------------- 'Scottish Star' X 'Zip' , rhizomatous
• 'Red Poi' Rutherford P. ---
  --------------------- parents not listed --- , semperfloren
• 'Red Raven' Cole B. 1978
  --------------------- 'Art Anthony' X 'Lee's No. 9' , rex cultorum
• 'Red Spider' MacIntyre ML. 1970
  --------------------- 'Scottish Star' X 'Zip' , rhizomatous
• 'Red Spot' MacIntyre ML. 1970
  --------------------- 'Scottish Star' X 'Zip'. , rhizomatous
• 'Red Taffeta' Newton E. 1971
  --------------------- 'American Beauty' X 'Gretl' , rex cultorum
• 'Red Tracery' MacIntyre ML. 1967
  --------------------- 'Cleopatra' x 'Tracery' X 'Zip' , rhizomatous
• 'Red Wonder' --- ---
  --------------------- --- --- , semperfloren
• 'Red Zephyr' Worley P J 1980
  --------------------- suffruticosa X B. 'Twisty Spot X 'Curly Merry Christmas' , rex cultorum
• 'Reflections' Worley P J 1980
  --------------------- 'Glory of St. Albans' X unidentified Sumatra species , rex cultorum
• 'Regina Barbara' Philips B. 1975
  --------------------- unknown parentage --- , rex cultorum
• 'Reichenheimii'' --- 1897
  --------------------- 'Fuscomaculata' X heracleifolia ( or reverse) , rhizomatous
• 'Rhapsody' Nuss I. 1978
  --------------------- 'Kentwood' X dregei , cane-like
• 'Richard Robinson' Robinson AD. 1925
  --------------------- dregei var. macbethii seedling --- , shrub-like
• 'Ricinifolia' Dietrich 1847
  --------------------- heracleifolia X peponifolia (is barkeri ) , rhizomatous
• 'Ricky Minter' Turner M. 1952
  --------------------- manicata 'Crispa' X mazae , rhizomatous
• 'Rico Rico' Worley P J 1982
  --------------------- --- --- , rex cultorum
• 'Rigi' Robinson AD. 1933
  --------------------- --- --- , cane-like
• 'Rio Bergen' Orihata J. 1974
  --------------------- 'Pinafore' X lubbersii , cane-like
• 'Rip Van Winkle' Ziesenhenne R. 1975
  --------------------- hydrocotylifolia X carrieae , rhizomatous
• 'Ripple Rosea' Turner M. 1952
  --------------------- 'Superba Mentone' X roezlii Regel x B. leptotricha C.DC , shrub-like
• 'Ripples' Burley H. 1980
  --------------------- 'Broken Hill' X 'Universe' , rhizomatous
• 'Riverside Benny' Gillingwators M. 1954
  --------------------- unnamed spiralled Rex Cultorum seedling X 'Fireflush' , rhizomatous
• 'Robego' Robinson AD. 1930
  --------------------- --- --- , cane-like
• 'Robert Nicholson' West MI. 1961
  --------------------- lubbersii X 'Mount Baldy' , rex cultorum
• 'Robert Shatzer' Stewart EM. 1968
  --------------------- 'Bow-Nigra' X bowerae var. nigramarga , rhizomatous
• 'Robinson's Peach' Robinson 1981
  --------------------- --- --- , cane-like
• 'Roe Poi' Rutherford P. ---
  --------------------- parents not listed --- , semperfloren
• 'Rola-Y' Turner M. 1954
  --------------------- hugelii X metallica , shrub-like
• 'Rosanna' Horton D. 1956
  --------------------- unknown X unknown , rhizomatous
• 'Rosanna Bliss' Lepisto G. 1973
  --------------------- 'Changeant' X 'Curly Stardust' , rex cultorum
• 'Rose' ( syn. Hazel's Front Porch' ) --- ---
  --------------------- --- --- , cane-like
• 'Rose Carrier' Carrier 1908
  --------------------- grandis ssp. evansiana X 'Bertinii' , tuberous
• 'Rose Rubra' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Rose Supreme' Ziesenhenne R. 1941
  --------------------- 'Shasta' X dichroa , cane-like
• 'Rosie Beck' Short H. 1973
  --------------------- 'Norah Bedson' X 'Colombia species' , rhizomatous
• 'Rosie Murphiski' Robinson AD 1920
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Rover' Horton D. 1954
  --------------------- unknown X unknown , rhizomatous
• 'Royal Lustre' Yorke B. 1979
  --------------------- 'Gee Whiz' X bowerea var. nigramarga , rhizomatous
• 'Royal Swirl' Dorsey DL. 1974
  --------------------- chance seedling --- , rex cultorum
• 'Rubacon' Lowe PP. 1974
  --------------------- convolvulacea X 'Orange Rubra' , cane-like
• 'Rubra Dielytra' Robinson AD. 1930
  --------------------- --- --- , ---
• 'Rubra Fragrance' Robinson AD. 1934
  --------------------- --- --- , cane-like
• 'Rubra Odorata' Robinson AD. 1930
  --------------------- --- --- , cane-like
• 'Rubud' Budd RM. ---
  --------------------- paulensis X 'Rola-Y' , shrub-like
• 'Rubud Giant' Budd RM. ---
  --------------------- paulensis X 'Rola-Y' , ---
• 'Ruby' --- 1981
  --------------------- masoniana X grandis ssp. evansiana , rhizomatous
• 'Ruby Dew' Worley P J 1981
  --------------------- --- --- , rex cultorum
• 'Rudy' Ziesenhenne R. 1975
  --------------------- ludwigii X popenoei , thick-stemmed
• 'Rudy Illions' ('Carousel' grex) Peace R. 1971
  --------------------- 'Immense' X mazae forma nigricans , rhizomatous
• 'Rudy's Luxurians' Ziesenhenne R. 1977
  --------------------- luxurians X unknown , shrub-like
• 'Ruth Brankey' Frost G. 1976
  --------------------- 'Persian Brocade' X 'Dr. Jim' , rhizomatous
• 'Ruth Hurd' Newton E. 1971
  --------------------- 'Vigorosa' X 'Merry Christmas' , rex cultorum
• 'Ruth Pease' Frost G. 1975
  --------------------- Regency X 'Carousel' , rhizomatous
• 'Rutherfordiana' --- ---
  --------------------- --- --- , shrub-like
• 'Sally Harrison' Harrison S. 1967
  --------------------- origin unknown, bought tuber --- , tuberous
• 'Salmon Cascade' Woodriff 1977
  --------------------- --- --- , trailing/scandent
• 'Salmon Rubra' --- 1981
  --------------------- --- --- , cane-like
• 'Sam Grice' Ziesenhenne R. 1977
  --------------------- plebeja X barkeri , rhizomatous
• 'Samson' Horton D. 1954
  --------------------- macdougallii X barkeri , rhizomatous
• 'San Miguel' Stark VE. 1953
  --------------------- venosa X scharffiana , shrub-like
• 'Sandia' Asmussen 1978
  --------------------- 'Otto Hacker' X 'Orange Rubra' , cane-like
• 'Santa Rosa Star' Schwerdtfeger L. 1953
  --------------------- 'Reichenheimii' X heracleifolia var sunderbruckii hort. , rhizomatous
• 'Satin Star' Slocum EV. 1952
  --------------------- heracleifolia var. sunderbruckii hort. X unknown , rhizomatous
• 'Scarlet Supreme' Ziesenhenne R. 1941
  --------------------- 'Shasta' X dichroa , cane-like
• 'Scottish Star' Rutherford P. ---
  --------------------- 'Cleopatra' X 'Tracery' , rex cultorum
• 'Sea Foam' Dorsey DL. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Sedeni' Seden ~1864
  --------------------- --- --- , tuberous
• 'Sempinda' Michelson FO. 1971
  --------------------- 'Red Semperflorens' X India species ABS Seed Fund 1958 , semperfloren
• 'Senenata' Ziesenhenne R. 1975
  --------------------- 'Inglewood' X barkeri , rhizomatous
• 'Sequoia' Zug S. 1953
  --------------------- 'Speculata' X unnamed Rex cultorum , rhizomatous
• 'Serenade' Cole B. 1978
  --------------------- 'Lee's No. 9' X 'Big Boy' , rex cultorum
• 'Serlis' (now called 'Caravan' ) Kartuz M. 1976
  --------------------- sementacea hort. X listida hort. ( is listada ) , ---
• 'Serra-Belle' Robinson AD. 1924
  --------------------- --- --- , ---
• 'Sessoms' Lowe PP. 1977
  --------------------- 'Chumash' X 'Virbob' , rhizomatous
• 'Shasta' Robinson AD. 1930
  --------------------- --- --- , cane-like
• 'Sheba' Cole B. 1978
  --------------------- 'Bronze Queen' X 'This 'N That' , rex cultorum
• 'Shenandoah' Frost G. 1975
  --------------------- 'Dr. Jim' X dayi hort. (is glandulosa) , rhizomatous
• 'Shirt Sleeves' --- ---
  --------------------- --- --- , ---
• 'Shorty' Hofmann TR. 1967
  --------------------- 'Curly King' X 'Silver Queen' , rex cultorum
• 'Shripm Rubra' Robinson AD. 1930
  --------------------- --- --- , cane-like
• 'Silent Alarm' Cole B. 1978
  --------------------- 'Big Red Jr.' X 'Sir Edward Hodgins' , rex cultorum
• 'Silhouette' Woodriff L. 1979
  --------------------- unknown X unknown , rhizomatous
• 'Silvador' Fewkes 1938
  --------------------- ludwigii seedling --- , thick-stemmed
• 'Silver Cascade' Woodriff L. 1977
  --------------------- grandis ssp. evansiana X pustulata (or reverse order) , trailing/scandent
• 'Silver City' Dorsey DL. 1974
  --------------------- unnamed Rex cultivar X 'Can-Can' , rex cultorum
• 'Silver Day' Zug S. 1954
  --------------------- hidalgensis X 'Sir Percy' , rhizomatous
• 'Silver Dots' MacIntyre ML. 1974
  --------------------- 'Norah Bedson' X unstated , rhizomatous
• 'Silver Firecolor' Howard HW. 1971
  --------------------- 'Curly Fireflush' X versicolor , rex cultorum
• 'Silver Jewel' Horton D. (or Zug S. ?) 1955
  --------------------- imperialis X pustulata ( or reverse ?) , rhizomatous
• 'Silver Pebbles' Burley H. 1980
  --------------------- imperialis X 'Pink Pearl' , rhizomatous
• 'Silver Penny' Cole B. 1978
  --------------------- 'Green Frills' X 'Pam Sue' , rex cultorum
• 'Silver Peridot' Cole B. 1978
  --------------------- 'Exotic Peridot' mutation --- , rex cultorum
• 'Silver Ribbons' Lowe PP. 1972
  --------------------- 'Peace' X 'Perle de Paris' , rex cultorum
• 'Silver Skeezar --- ---
  --------------------- --- --- , rhizomatous
• 'Silver Swastika' Dorsey OA. ---
  --------------------- masoniana X 'Pepple Lane' , rhizomatous
• 'Silver Threads' Mueller WC. 1954
  --------------------- chance seedling --- , rhizomatous
• 'Silver Wave' MacIntyre ML. 1974
  --------------------- 'Norah Bedson' X unstated , rhizomatous
• 'Silvermillion' Hixson 1981
  --------------------- masoniana X grandis ssp. evansiana , shrub-like
• 'Sir Arthur Letherman' Leatherman SB. 1969
  --------------------- Rex cultivar X Rex cultorum , rex cultorum
• 'Sir John Falstaff' Logee 1979
  --------------------- 'Lopse-tu' X carrieae , rhizomatous
• 'Sir Mike Kaskkin' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Sir Percy' Zug S. 1952
  --------------------- 'Silver Star' X 'Speculata' , rhizomatous
• 'Sir Pinky Harrison' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X 'Reiga' , rex cultorum
• 'Sir Randy Cole' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Sir William Cook' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Sisquoc' Ziesenhenne R. 1975
  --------------------- carrieae X bowerae var. nigramarga , rhizomatous
• 'Skeezar' Ziesenhenne R. 1953
  --------------------- hidalgensis X liebmannii , rhizomatous
• 'Skeezar' var. Brown Lake Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X liebmannii , rhizomatous
• 'Skeezar' var. Frosty Lake Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X liebmannii , rhizomatous
• 'Skeezar' var. green Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X liebmannii , rhizomatous
• 'Skeezar' var. Mirror Lake Ziesenhenne R. 1946
  --------------------- dayi (was written dayii ) X liebmannii , rhizomatous
• 'Sky Lab' Frost G. 1975
  --------------------- 'Zip' X bowerae var. nigramarga , rhizomatous
• 'Sleeping Beauty' --- ---
  --------------------- --- --- , semperfloren
• 'Smoke Rings' Jeans K. 1980
  --------------------- 'Inglewood' X unknown , rhizomatous
• 'Smoky Topaz' Jeans K. 1980
  --------------------- unnamed seedling X 'Inglewood' , rhizomatous
• 'Snooky' Phillips B. 1976
  --------------------- chance seedling --- , rex cultorum
• 'Snow Peaks' Ziesenhenne R. 1977
  --------------------- ludwigii X bowerae , thick-stemmed
• 'Song Bird' Cole B. 1978
  --------------------- 'Ho Hum' X unnamed Rex cultorum , rex cultorum
• 'Sonie' Bath B. 1957
  --------------------- 'President' dark var. (syn. dark 'Carnot' ) X 'Silver Whirl' , rex cultorum
• 'Sonya' Ziesenhenne R. 1978
  --------------------- unnamed Rex cultivar X unnamed Rex cultorum , rex cultorum
• 'Sophia Cecile' Kusler BN. 1961
  --------------------- sceptrum (is aconitifolia) X 'Lenore Olivier' , cane-like
• 'South Park' --- 1981
  --------------------- --- --- , cane-like
• 'Southgate' Cole B. 1979
  --------------------- Costa Rica species No. 4354 X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Spaulding' Schwerdtfeger L. 1953
  --------------------- bowerae X hydrocotylifolia , rhizomatous
• 'Speckled Roundabout' Woodriff L. 1982
  --------------------- 'Bokit' X wollnyi , tuberous, semi
• 'Speckled Spear' Woodriff L. 1981
  --------------------- 'Norah Bedson' X herbacea , rhizomatous
• 'Spindrift' Worley P J 1979
  --------------------- 'Lospe-tu' X wollnyi , thick-stemmed
• 'Splotches' Woodriff L. 1978
  --------------------- solananthera X limmingheana , trailing/scandent
• 'Squat' Dunnell RC. 1975
  --------------------- Seed: Colour-vision series from Park Seed Company --- , rex cultorum
• 'Stained Glass' Shigemi H. 1975
  --------------------- 'Norah Bedson' X 'Verde Grande' seedling , rhizomatous
• 'Stallion' Wagner WW. 1975
  --------------------- bowerae X 'Eppley' , rhizomatous
• 'Star Frost' Kartuz M. 1977
  --------------------- carolineifolia X wollnyi , thick-stemmed
• 'Star Shadow' Turner M. 1953
  --------------------- 'Joe Hayden' X mazae , rhizomatous
• 'Star-Crest' Turner M. 1954
  --------------------- 'Fuscomaculata' X manicata 'Crispa' hort. , rhizomatous
• 'Starfolia' Zug S. 1952
  --------------------- macdougallii X 'Joe Hayden' , rhizomatous
• 'Starry Night' Bolwell R. 1974
  --------------------- U078 (is maculata) X 'Lenore Olivier' , ---
• 'Starry Night' MacIntyre ML. 1974
  --------------------- 'Norah Bedson' X unstated , rhizomatous
• 'Stash' Sibiskie A. Mrs. 1961
  --------------------- 'Templini' X 'Bow-Nigra' , rhizomatous
• 'Statosphere' Lowe PP. 1972
  --------------------- 'Perle de Paris' X 'Bronze King' , ---
• 'Steve & Charlene' Cole B. 1978
  --------------------- 'This 'N That' X 'Silver Giant' , rex cultorum
• 'Steve Balcom' Lowe PP. 1977
  --------------------- 'Lillian Steinhouse' X 'Little Joe' , rhizomatous
• 'Steve Tapia' Ziesenhenne R. 1977
  --------------------- scharffiana X unknown , ---
• 'Stewart's Luxurians' Stewart 1981
  --------------------- luxurians seedling --- , shrub-like
• 'Stiletto' Cooper C. 1966
  --------------------- 'Cernaroa' selfed --- , cane-like
• 'Stormy Weather' Mueller WC. 1954
  --------------------- parents unknown --- , rhizomatous
• 'Stratos Rose' --- ---
  --------------------- --- --- , semperfloren
• 'Strawberry Parfait' Rutherford P. ---
  --------------------- parents not listed --- , semperfloren
• 'Streaking' --- 1974
  --------------------- unnamed Rex cultivar X 'Reiga' , rex cultorum
• 'Sudan' Worley P J 1980
  --------------------- listida hort. X paulensis , shrub-like
• 'Sue Wilson' Cole B. 1979
  --------------------- 'Big Boy' X 'Lee's No. 9' , rex cultorum
• 'Sugogo' (or 'Su Go-Go' ?) Howard HW. 1971
  --------------------- sudjanae X goegoensis , rhizomatous
• 'Sulcu' Ziesenhenne R. 1975
  --------------------- bowerae var. nigramarga X roseibractea , rhizomatous
• 'Sumas' West M. ---
  --------------------- cathayana X unknown , ---
• 'Summer' Cole B. 1979
  --------------------- 'Cinco de Mayo' X 'Cachuma' , rhizomatous
• 'Sun God' MacIntyre ML. 1970
  --------------------- bowerae var. nigramarga X 'Zip' , rhizomatous
• 'Suncana' Tilman 1981
  --------------------- heracleifolia var. sunderbruchii X peltata , rhizomatous
• 'Sundays Best' Asmussen 1979
  --------------------- 'Pinafore' X 'Ionic' , cane-like
• 'Sunorchis' Chevalier C. 1938
  --------------------- tomentosa var. eriocaulis X peltata (probably) , shrub-like
• 'Super Curl' Woodriff L. 1978
  --------------------- unknown parentage --- , rex cultorum
• 'Super Orangeade' Rutherford P. ---
  --------------------- parents not listed --- , semperfloren
• 'Superba' Linden 1862
  --------------------- micranthera X splendida , cane-like
• 'Superba Mentone' Gray EK 1926
  --------------------- --- --- , cane-like
• 'Superba-Azella' Gray EK 1926
  --------------------- --- --- , cane-like
• 'Superba-Kenzii' Gray EK 1926
  --------------------- aconitifolia X 'Lucerna' , cane-like
• 'Surfing' Misono 1978
  --------------------- manicata 'Aureo-maculata Crispa' X 'Bokit' , rhizomatous
• 'Sweet Magic' Woodriff L. 1979
  --------------------- 'Bokit' X megaphylla , rhizomatous
• 'Swirly Top' Kusler B. 1973
  --------------------- 'Lenore Olivier' X kenworthyae , cane-like
• 'Sylmar' Cole B. 1978
  --------------------- 'Pam Sue' X 'Green Frills' , rex cultorum
• 'Sylvan Triumph' --- ~1940
  --------------------- --- --- , cane-like
• 'Sylvia Leatherman' Ziesenhenne R. 1977
  --------------------- unknown: seed imported from Brazil- proved to be hybrid --- , shrub-like
• 'Symphony' Nuss I. 1973
  --------------------- 'Hannah Serr' X lubbersii , cane-like
• 'T. N. T.' Jeans K. 1979
  --------------------- 'Snow Queen' X unknown , rex cultorum
• 'Tajiguas' Ziesenhenne R. 1975
  --------------------- frigida hort. X carrieae , rhizomatous
• 'Tambourine' Worley P J 1982
  --------------------- sutherlandii X rex cultorum , rex cultorum
• 'Tamo' Turner M. 1952
  --------------------- peltata X mazae , thick-stemmed
• 'Tanay' Robinson AD. 1933
  --------------------- 'Lucerna' seedling --- , cane-like
• 'Tarlit' Meyer M. 1974
  --------------------- 'Stash' X unidentified plant , rhizomatous
• 'Tarzana' Cole B. 1982
  --------------------- peltata X 'Lospe' , rhizomatous
• 'Tasso' --- ---
  --------------------- --- --- , semperfloren
• 'Tea Rose' Woodriff L. 1947
  --------------------- odorata var. alba X dichroa , shrub-like
• 'Tebalhia' MacLanahan D. 1954
  --------------------- 'Ricky Minter' X 'Rouge' (equals C-42) , rhizomatous
• 'Teddy Bear' Turner M. 1952
  --------------------- 'Indonesia Woolly Bear' X leptotricha , shrub-like
• 'Tempest' Worley P J 1981
  --------------------- Rex cultivar X Rex cultivar , rex cultorum
• 'Tennessee Waltz' Jeans K. 1980
  --------------------- unknown X unknown , rhizomatous
• 'Tequesta' (syn. 'Acicon') Michelson F. 1979
  --------------------- acida X unknown , shrub-like
• 'Terranora' Meyer M. 1977
  --------------------- unknown X unknown , rhizomatous
• 'Terry-O' Olmsted T. 1952
  --------------------- bowerae X mazae , rhizomatous
• 'Teton' Frost G. 1978
  --------------------- 'Leslie Lynn X hidalgensis , rhizomatous
• 'Texas Beauty' Wyrtzen J. 1973
  --------------------- 'Texas Star' selfed --- , rhizomatous
• 'Texastar' Standford U.U. 1967
  --------------------- 'Inglewood' X 'Joe Hayden' , rhizomatous
• 'Thelma Daniels G. ---
  --------------------- --- --- , tuberous, tuberhybrid
• 'Theresa Lynn' Kennedy H. Mrs. 1967
  --------------------- 'Pinafore' X unknown , cane-like
• 'Theseus' Jeans K. 1980
  --------------------- 'Snow Queen' X unnamed Rex cultorum , rex cultorum
• 'Thilda Fischer' Ziesenhenne R. 1953
  --------------------- 'Shadstar' X barkeri , rhizomatous
• 'Thirkettle' Chaney AJ. ---
  --------------------- 'Pink Comet' sport --- , semperfloren
• 'This-N-That' Leatherman S. 1974
  --------------------- unnamed Rex cultivar X 'Reiga' , rex cultorum
• 'Thurstonii' Thurston 1887
  --------------------- metallica X sanguinea , shrub-like
• 'Tiger Kitten' Woodriff 1977
  --------------------- unknown X unknown , rhizomatous
• 'Tilt-a-whirl' Worley P J 1979
  --------------------- 'Merry-Go-Round' sport --- , rhizomatous
• 'Tim Lizzy' Cole B. 1979
  --------------------- 'Lee's No. 9' X hatacoa Silver' , rex cultorum
• 'Tim O' Reilly' Frost G. ---
  --------------------- olbia X malabarica var. malabarica , thick-stemmed
• 'Timbara' Meyer M. 1976
  --------------------- 'Kooleena' X bowerae , rhizomatous
• 'Tingley Mallet' (see 'Authur Mallet') --- ---
  --------------------- incarnata var. purpurascens X 'Eldorado' (or 'Eldorado' X incarnata ? ) , cane-like
• 'Tinkelin' Meyer M. 1973
  --------------------- parents unknown --- , rhizomatous
• 'Tintype' Cole B. 1978
  --------------------- rex X 'Old Witch' , rex cultorum
• 'Tiny Bright' Woodriff L. 1979
  --------------------- chance seedling --- , rex cultorum
• 'Tiny Gem' Woodriff L. 1978
  --------------------- 'Tiny Orange Rubra' X solananthera , rhizomatous
• 'Tiny Mite' Olmsted T. 1952
  --------------------- chance seedling --- , rhizomatous
• 'Toe' (Cookole grex) Cole B. 1979
  --------------------- 'Evening Nymph' X schmidtiana , thick-stemmed
• 'Tom Ment' Mentelos T. 1973
  --------------------- 'Di-Erna' X 'Orange Rubra' , cane-like
• 'Tomoka' Michelson FO. 1970
  --------------------- convolvulacea X peruviana , trailing/scandent
• 'Tomol' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Tondelayo' Ziesenhenne R. 1975
  --------------------- 'Cumbre' selfed --- , rhizomatous
• 'Tortise' Ziesenhenne R. 1975
  --------------------- 'Rouge' selfed --- , rhizomatous
• 'Tracery' MacIntyre ML. 1970
  --------------------- 'Norah Bedson' X 'Clifton' , rhizomatous
• 'Troll' Ziesenhenne R. 1975
  --------------------- 'Ricinifolia' X carrieae , rhizomatous
• 'Tsuname' Kartuz M. 1978
  --------------------- hatacoa 'Silver' X deliciosa , rhizomatous
• 'Tuptup' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Turk Murphy' Johnson M. 1982
  --------------------- hispidivillosa forma nigramarga X heracleifolia var. nigricans seedling , rhizomatous
• 'Two Face' Woodriff L. 1979
  --------------------- incarnata hybrid X unknown - (maybe pustulata 'Silver') , trailing/scandent
• 'Ultra Rex' Cole B. 1978
  --------------------- rex X 'Old Witch' , rex cultorum
• 'Undemille' Robinson AD. 1925
  --------------------- scharffiana seedling --- , shrub-like
• 'Undine' Robinson AD. 1925
  --------------------- --- --- , shrub-like
• 'Universe' O'Reilly TF. Mrs. 1968
  --------------------- 'Norah Bedson' X 'Leslie Lynn' , rhizomatous
• 'Upland Crest' Gillingwators M. 1954
  --------------------- 'Pink Lady' X 'Fireflush' , rex cultorum
• 'Van Wyatt' Oribata J. 1973
  --------------------- 'Douglas Nisbet' X 'Lenore Olivier' , cane-like
• 'Variegation' Weywand MS. 1975
  --------------------- prismatocarpa mutation --- , rhizomatous
• 'Velma S.' Robinson AD. 1934
  --------------------- coccinea seedling --- , cane-like
• 'Venepi' Michelson F.O. 1971
  --------------------- venosa X epipsila , cane-like
• 'Venice' Frey E. 1957
  --------------------- acetosa X venosa , rhizomatous
• 'Verdant' Logee 1953
  --------------------- masoniana seedling --- , rhizomatous
• 'Verde Grande' Zug S. 1954
  --------------------- manicata X 'DarkSheen' , rhizomatous
• 'Vermash' Lowe PP. 1974
  --------------------- 'Verde Grande' X 'Chumash' , rhizomatous
• 'Victoria Kartack' Kusler B. ---
  --------------------- sutherlandii X vellozoana , shrub-like
• 'Vigorosa' Gillingwators M. 1954
  --------------------- 'Adrian Schmidt' X unnamed Rex Cultorum seedling , rex cultorum
• 'Virbob' Walker M. 1952
  --------------------- bowerae X unknown , rhizomatous
• 'Virginia Owen' Short H. 1973
  --------------------- 'Norah Bedson' X 'Colombia species' , rhizomatous
• 'Viscountess Doneraile' Veitch and Sons. 1865
  --------------------- from veitchii, pearcei, and boliviensis , tuberous
• 'Waltanna' Peace R. ---
  --------------------- scharffiana chance seedling --- , shrub-like
• 'Walter Haring' (syn. 'Walt') Lowe PP. 1972
  --------------------- 'Chumash' X 'Aries' , rhizomatous
• 'Wanda' Porter LW. 1971
  --------------------- masoniana X versicolor , rhizomatous
• 'Wanita' Sharrad MCR. 1967
  --------------------- hydrocotylifolia seedling X B.'Maphil' X Rhiz. --- , rhizomatous
• 'Wayne Newton' ("West Newton") Kartuz M. 1970
  --------------------- 'Lenore Olivier' X 'Orange Rubra' , cane-like
• 'Wee One' Mueller WC. 1954
  --------------------- Rex cultivar X dregei , rhizomatous
• 'Weltonensis' --- ---
  --------------------- dregei X sutherlandii , tuberous
• 'Weltoniensis' see 'Weltonensis --- ---
  --------------------- dregei X sutherlandii , tuberous
• 'West Newton' Kartuz M. 1970
  --------------------- 'Lenore Olivier' X 'Orange Rubra' , cane-like
• 'Whirlaround' Cole B. 1979
  --------------------- 'Big Rex' X 'Lee's No. 9' , rex cultorum
• 'Whirling Sky' Woodriff L. 1979
  --------------------- chance seedling --- , rhizomatous
• 'Whirlwind' Woodriff L. 1977
  --------------------- strigillosa X 'Bokit' , rhizomatous
• 'Whirly Curly' Zug S. ---
  --------------------- heracleifolia var. sunderbruckii hort. sport --- , rhizomatous
• 'Whiskers' Frost G. 1975
  --------------------- 'Black Knight' X 'Chumash' , rhizomatous
• 'White Bellybutton' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X bowerae var. nigramarga , rhizomatous
• 'White Chandelier' Uemura 1982
  --------------------- 'Lenore Olivier' X 'Pinafore' , cane-like
• 'White Christmas' --- ---
  --------------------- --- --- , semperfloren
• 'White Poi' MacIntyre ML. 1970
  --------------------- 'Cleopatra' X 'Tracery' , rhizomatous
• 'White Strike' Williams F. 1980
  --------------------- 'Tom Ment' X coccinea , cane-like
• 'White Surprise' Williams F. 1981
  --------------------- coccinea X 'Tom Ment' , cane-like
• 'William Cook' Cole B. 1976
  --------------------- macdougallii var. purpurea hort. X wollnyi , rhizomatous
• 'Winged Angel' Zug S. 1953
  --------------------- 'Silvador' X unknown , thick-stemmed
• 'Winkey's Bronze' Woodriff L. 1978
  --------------------- 'Madame Queen' X 'Bokit' , rhizomatous
• 'Winkey's Chocolate Chip' Woodriff L. 1979
  --------------------- unknown X unknown , rhizomatous
• 'Winkey's Vivid' Woodriff L. 1979
  --------------------- chance seedling --- , rex cultorum
• 'Winning Way' Praetonus 1981
  --------------------- diadema seedling --- , cane-like
• 'Winter Hollyhock' Woodruff L. 1941
  --------------------- gracilis var. martiana X socotrana , trailing/scandent
• 'Wintergreen' Cole B. 1978
  --------------------- 'Midnight Cowboy' X 'Big Boy' , rex cultorum
• 'Withlacoochee' Michelson F. 1979
  --------------------- thelmae X peruviana , trailing/scandent
• 'Wizard' Ziesenhenne R. 1975
  --------------------- 'Norah Bedson' X carrieae , rhizomatous
• 'Wodka' --- ---
  --------------------- --- --- , semperfloren
• 'Wood Nymph' --- 1981
  --------------------- --- --- , rex cultorum
• 'Woodlawn' Frost G. 1975
  --------------------- 'Dr. Jim' X hidalgensis , rhizomatous
• 'Woodriff Red' Woodriff L. 1978
  --------------------- unnamed tuberoru hybrid X scotrana , tuberous, hiemalis
• 'Woodriff's Tricolor' Woodriff L. 1978
  --------------------- unknown --- , rex cultorum
• 'Xox' Cole B. 1979
  --------------------- 'Madame Queen' X 'Susie's Girl' , rhizomatous
• 'Yahoo' Lee P. 1981
  --------------------- 'Lana' seedling --- , cane-like
• 'Yakima' West M. ---
  --------------------- dregei X 'Peggy-Ann' , ---
• 'Yankee Doodle' Cole B. 1982
  --------------------- Costa Rican species No. 3843 X carrieae , rhizomatous
• 'Yanonali' Ziesenhenne R. 1975
  --------------------- mazae X carrieae , thick-stemmed
• 'Yippy' (Yakapuk grex) Cole B. 1979
  --------------------- Panama species X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Young Boy' Cole B. 1977
  --------------------- 'Cachuma' X manicata 'Crispa' hort. , rhizomatous
• 'Yubea' Kawanami S. 1981
  --------------------- Orange Rubra' seedling , cane-like
• 'Yutum' Ziesenhenne R. 1977
  --------------------- 'MacIntyer's "daedalea" ' X aridicaulis , rhizomatous
• 'Yvonne Wells' Blanton M. 1974
  --------------------- bowerae var. nigramarga X 'Zip' , rhizomatous
• 'Zaida' Schwerdtfeger L. ---
  --------------------- mazae X epipsila , rhizomatous
• 'Zee Bowman' Ziesenhenne R. 1975
  --------------------- bowerae X liebmannii , rhizomatous
• 'Zeit-Geist' Cole B. 1978
  --------------------- 'This-'N-That' X 'Lee's No. 9' , rex cultorum
• 'Zemenia' Standford U.U. 1967
  --------------------- 'Pinafore' X unknown , trailing/scandent
• 'Zenaida' Cole B. 1978
  --------------------- 'Green Frills' X 'Pam Sue' , rex cultorum
• 'Zip Code' Cole B. 1976
  --------------------- 'Bow Nigra' X conchifolia Dietrich var. rubrimacula , rhizomatous
• 'Zipper' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X 'Bow-Nigra' , rhizomatous
• 'Zippo' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X 'Bow-Nigra' , rhizomatous
• 'Zippy' Cole B. 1976
  --------------------- conchifolia var. rubrimacula X 'Bow-Nigra' , rhizomatous
• 'Zuebrae' Behrends DS. ---
  --------------------- 'Braemar' X 'Zuensis' , shrub-like
• 'Zuensis' Zug S. 1956
  --------------------- paulensis X 'Credneri' , shrub-like
• 'Zugbow' Michelson FO. 1971
  --------------------- 'Gay Time' seedling X 'Gay Time' , rhizomatous
• 'Zulu' --- ---
  --------------------- --- --- , tuberous, tuberhybrid

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