Asteraceae | |
Helenium aestivale
| Walter | Fl. Carol. 210 | 1788 |
Asteraceae | |
Helenium alatum
| (Jacq.) C.C. Gmel. | Hortus Carlsruh. 129 | 1811 |
Asteraceae | |
Helenium alternifolium
| Cabrera | Revista Mus. La Plata, Secc. Bot. 4: 250 | 1941 |
Asteraceae | |
Helenium amarum
| (Raf.) H. Rock | Rhodora 59(702): 131 | 1957 |
Asteraceae | |
Helenium amphibolum
| A. Gray | Proc. Amer. Acad. Arts 9: 202 | 1874 |
Asteraceae | |
Helenium apterum
| (S.F. Blake) Bierner | Sida 5(1): 47 | 1972 |
Asteraceae | ** |
Helenium argentinum
| Ariza | | |
Asteraceae | |
Helenium arizonicum
| S.F. Blake | J. Washington Acad. Sci. 27(9): 388–389 | 1937 |
Asteraceae | ** |
Helenium armarum
| H. Rock | | |
Asteraceae | |
Helenium aromaticum
| (Hook.) L.H. Bailey | Stand. Cycl. Hort. 3: 1443 | 1915 |
Asteraceae | |
Helenium atacamense
| Cabrera | Notas Mus. La Plata, Bot. 9(46): 254 | 1944 |
Asteraceae | |
Helenium autumnale
| L. | Sp. Pl. 2: 886 | 1753 |
Asteraceae | |
Helenium badium
| (A. Gray ex S. Watson) Greene | Pittonia 5(26B): 55 | 1902 |
Asteraceae | |
Helenium bigelovii
| A. Gray | Pacif. Railr. Rep. 4(5): 107 | 1857 |
Asteraceae | |
Helenium bolanderi
| A. Gray | Proc. Amer. Acad. Arts 7(2): 358–359 | 1868 |
Asteraceae | |
Helenium borchersi
| (Phil.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 254 | 1944 |
Asteraceae | |
Helenium borchersii
| (Phil.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 254 | 1944 |
Asteraceae | |
Helenium brevifolium
| (Nutt.) Alph. Wood | Amer. Bot. Fl. 182 | 1870 |
Asteraceae | |
Helenium campestre
| Small | Fl. S.E. U.S. 1291, 1341 | 1903 |
Asteraceae | |
Helenium canaliculatum
| Lam. | J. Hist. Nat. 2: 213, pl. 35 | 1792 |
Asteraceae | |
Helenium centrale
| Rydb. | N. Amer. Fl. 34(2): 125 | 1915 |
Asteraceae | |
Helenium chihuahuense
| Bierner | Sida 5(1): 45–47, f. 1 | 1972 |
Asteraceae | |
Helenium collinum
| (Phil.) F. Meigen | Bot. Jahrb. Syst. 17(3–4): 281 | 1893 |
Asteraceae | |
Helenium curtisii
| A. Gray | Proc. Amer. Acad. Arts 9: 204 | 1874 |
Asteraceae | * |
Helenium decurrens
| Moldenke | Bull. Torrey Bot. Club 62: 230 | 1935 |
Asteraceae | ! |
Helenium decurrens
| Vatke | Index Seminum (Berlin) Appendix | 1875 |
Asteraceae | |
Helenium denticulatum
| Moldenke | Phytologia 1(4): 169 | 1935 |
Asteraceae | |
Helenium discovatum
| Raf. | New Fl. 4: 81 | 1836 [1838] |
Asteraceae | |
Helenium donianum
| (Hook. & Arn.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 254 | 1954 |
Asteraceae | |
Helenium drummondii
| H. Rock | Rhodora 59(703): 173 | 1957 |
Asteraceae | |
Helenium edwardsianum
| Cory | Rhodora 45(531): 110–111 | 1943 |
Asteraceae | |
Helenium elegans
| DC. | Prodr. 5: 667 | 1836 |
Asteraceae | |
Helenium fimbriatum
| (Michx.) A. Gray | Proc. Amer. Acad. Arts 9: 204 | 1874 |
Asteraceae | |
Helenium flexuosum
| Raf. | New Fl. 4: 81 | 1836 [1838] |
Asteraceae | |
Helenium floridanum
| Fernald | Rhodora 45: 494tab. 799, fig. 3, 4 | 1943 |
Asteraceae | |
Helenium foliosum
| (Phil.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 256 | 1944 |
Asteraceae | |
Helenium giganteus
| L. | Sp. Pl. 905 | 1753 |
Asteraceae | |
Helenium glaucum
| (Cav.) Stuntz | U.S.D.A. Bur. Pl. Industr. Invent. Seeds 31: 86 | 1914 |
Asteraceae | |
Helenium gracile
| (Phil.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 256 | 1944 |
Asteraceae | * |
Helenium grandiflorum
| Nutt. | Trans. Amer. Philos. Soc., n.s. 7: 384 | 1841 |
Asteraceae | ! |
Helenium grandiflorum
| Gilib. | Fl. Lit. Inch. 3: 204 | 1781 |
Asteraceae | * |
Helenium helenium
| (Nutt.) Small | Fl. S.E. U.S. 1341 | 1903 |
Asteraceae | |
Helenium heterophyllum
| DC. | Prodr. 5: 667 | 1836 |
Asteraceae | ** |
Helenium heterophyllum
| (Juss.) Malme | Ark. Bot. 24A(6): 73 | 1931 |
Asteraceae | * |
Helenium heterophyllum
| (Juss.) O. Hoffm. ex Seckt | Revista Univ. Nac. Córdoba 17(9–10): 50 | 1930 |
Asteraceae | |
Helenium hoopesii
| A. Gray | Proc. Acad. Nat. Sci. Philadelphia 15(3): 65 | 1863 [1864] |
Asteraceae | |
Helenium insulare
| (Phil.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 256 | 1944 |
Asteraceae | |
Helenium integrifolium
| (Kunth) Benth. & Hook. f. ex Hemsl. | Biol. Cent.-Amer., Bot. 2(9): 227 | 1881 |
Asteraceae | * |
Helenium integrifolium
| Sessé & Moc. | Fl. Mexic. (ed. 2) 189 | 1894 |
Asteraceae | |
Helenium laciniatum
| A. Gray | Proc. Amer. Acad. Arts 9: 203 | 1874 |
Asteraceae | |
Helenium lanatum
| (Pursh) Spreng. | Syst. Veg. [Sprengel] 3: 574 | 1826 |
Asteraceae | * |
Helenium lanatum
| (Benth.) A. Gray | Proc. Amer. Acad. Arts 9: 205 | 1874 |
Asteraceae | |
Helenium latifolium
| Mill. | Gard. Dict. (ed. 8) no. 2 | 1768 |
Asteraceae | |
Helenium leguiffei
| (Phil.) J.F. Macbr. | Contr. Gray Herb. 56: 47 | 1918 |
Asteraceae | * |
Helenium linearifolium
| Moench | Suppl. Meth. 240 | 1802 |
Asteraceae | |
Helenium linifolium
| Rydb. | N. Amer. Fl. 34(2): 125 | 1915 |
Asteraceae | |
Helenium litorale
| Kuntze | Revis. Gen. Pl. 1: 343 | 1891 |
Asteraceae | |
Helenium longiaristatum
| Cuatrec. | Notas Mus. La Plata, Bot. 9(46): 256 | 1944 |
Asteraceae | |
Helenium macranthum
| Rydb. | N. Amer. Fl. 34(2): 127 | 1915 |
Asteraceae | |
Helenium mattfeldianum
| Herter | Revista Sudamer. Bot. 4: 206 | 1937 |
Asteraceae | |
Helenium mexicanum
| Kunth | Nov. Gen. Sp. (folio ed.) 4: 235 | 1820 [1818] |
Asteraceae | |
Helenium micranthum
| Nutt. | Trans. Amer. Philos. Soc., n.s. 7: 385 | 1841 |
Asteraceae | |
Helenium microcephalum
| DC. | Prodr. 5: 667 | 1836 |
Asteraceae | |
Helenium montanum
| Nutt. | Trans. Amer. Philos. Soc., n.s. 7: 384 | 1841 |
Asteraceae | |
Helenium nudiflorum
| Nutt. | Trans. Amer. Philos. Soc., n.s. 7: 384–385 | 1841 |
Asteraceae | |
Helenium nuttallii
| A. Gray | Proc. Amer. Acad. Arts 9: 204 | 1874 |
Asteraceae | |
Helenium ooclinium
| A. Gray | Proc. Amer. Acad. Arts 9: 202–203 | 1874 |
Asteraceae | |
Helenium ovallense
| Bierner | Syst. Bot. 3(3): 294 | 1978 [1979] |
Asteraceae | |
Helenium parviflorum
| Nutt. | Trans. Amer. Philos. Soc., n.s. 7: 384 | 1841 |
Asteraceae | |
Helenium pinetorum
| Standl. | Publ. Field Mus. Nat. Hist., Bot. Ser. 22(2): 127–128 | 1940 |
Asteraceae | |
Helenium pinnatifidum
| (Schwein. ex Nutt.) Rydb. | N. Amer. Fl. 34(2): 130 | 1915 |
Asteraceae | |
Helenium plantagineum
| (DC.) J.F. Macbr. | Contr. Gray Herb. 56: 47 | 1918 |
Asteraceae | |
Helenium polyphyllum
| Small | Fl. S.E. U.S. 1291, 1341 | 1903 |
Asteraceae | |
Helenium puberulum
| DC. | Prodr. 5: 667 | 1836 |
Asteraceae | |
Helenium pubescens
| Aiton | Hort. Kew. 3: 227 | 1789 |
Asteraceae | |
Helenium quadridentatum
| Labill. | Actes Soc. Hist. Nat. Paris 1: 22–23, pl. 4 | 1792 |
Asteraceae | |
Helenium quadripartitum
| Link | Enum. Pl. Hort. Berol. Alt. 2: 338 | 1822 |
Asteraceae | |
Helenium radiatum
| (Less.) Seckt | Revista Univ. Nac. Córdoba 17(9–10): 50 | 1930 |
Asteraceae | ** |
Helenium radiatum
| (Less.) Bierner | Sida 12: 261 | 1987 |
Asteraceae | |
Helenium rivulare
| (Greene) Rydb. | N. Amer. Fl. 34(2): 126 | 1915 |
Asteraceae | |
Helenium scaposum
| Britton | Bull. Torrey Bot. Club 43: 469 | 1916 |
Asteraceae | |
Helenium scorzonerifolium
| (DC.) A. Gray | Proc. Amer. Acad. Arts 7: 359 | 1868 |
Asteraceae | |
Helenium seminariense
| Featherm. | Rep. (Annual) Board Supervisors Louisiana State Seminary Learning Military Acad. 1870: 74, 94 | 1871 |
Asteraceae | |
Helenium serotinum
| Walter | Fl. Carol. 210 | 1788 |
Asteraceae | |
Helenium setigerum
| (DC.) Britton & Rusby | Trans. New York Acad. Sci. 7: 11 | 1887 |
Asteraceae | |
Helenium stenopterum
| Rydb. | N. Amer. Fl. 34(2): 123 | 1915 |
Asteraceae | |
Helenium tenuifolium
| Nutt. | J. Acad. Nat. Sci. Philadelphia 7(1): 66 | 1834 |
Asteraceae | |
Helenium texanum
| Buckley | Proc. Acad. Nat. Sci. Philadelphia 13(12): 460 | 1862 [1861] |
Asteraceae | |
Helenium thurberi
| A. Gray | Proc. Amer. Acad. Arts 19: 32–34 | 1884 [1883] |
Asteraceae | |
Helenium tubuliflorum
| DC. | Prodr. 5: 666 | 1836 |
Asteraceae | |
Helenium uniflorum
| (Spreng.) P.L.R. Moraes | Phytotaxa 438(3): 166 | 2020 |
Asteraceae | |
Helenium urmenetae
| (Phil.) Cabrera | Notas Mus. La Plata, Bot. 9(46): 256 | 1944 |
Asteraceae | |
Helenium vallenariense
| (Phil.) Bierner | Syst. Bot. 3(3): 296 | 1978 [1979] |
Asteraceae | ** |
Helenium varium
| Schrad. | Index Seminum (Gottingen) 1830: 3 | 1831 |
Asteraceae | |
Helenium varium
| Schrad. ex Less. | Linnaea 6: Litt. 72–73 | 1831 |
Asteraceae | |
Helenium vernale
| Walter | Fl. Carol. 210 | 1788 |
Asteraceae | |
Helenium virginicum
| S.F. Blake | Claytonia 3(2): 13–15 | 1936 |