Helianthus platycephalus
| Helianthus platycephalus Cassini, in Cuvier, Dict. Sci. Nat. 20: 352. 1821, nom. illegit. | BASIONYM: Helianthus annuus Linnaeus 1753. | |
Helianthus annuus forma fallax
| Helianthus annuus Linnaeus, forma fallax B. Boivin, Naturaliste Canad. 87: 35. 1960. | | TYPE: CANADA: Saskatchewan: Assinniboia: Forget, 28 Aug 1949, Boivin & Breitung 6940 (holotype: DAO). |
Helianthus annuus forma lenticularis
| Helianthus annuus Linnaeus, forma lenticularis (Douglas ex Lindley) B. Boivin, Naturaliste Canad. 87: 35. 1960. | BASIONYM: Helianthus lenticularis Douglas ex Lindley 1829. | |
Helianthus annuus forma silvester
| Helianthus annuus Linnaeus, forma silvester Thellung, Vierteljahrsschr. Naturf. Ges. Zürich 64: 799. 1919. | | TYPE: SWITZERLAND: |
Helianthus annuus subsp. jaegeri
| Helianthus annuus Linnaeus, subsp. jaegeri (Heiser) Heiser, Contr. Dudley Herb. 4: 317. 1955. | BASIONYM: Helianthus jaegeri Heiser 1948. | |
Helianthus annuus subsp. lenticularis
| Helianthus annuus Linnaeus, subsp. lenticularis (Douglas ex Lindley) Cockerell, Science, ser. 2. 40: 284. 1914; Amer. Naturalist 49: 611. 1915. | BASIONYM: Helianthus lenticularis Douglas ex Lindley 1829. | |
Helianthus annuus subsp. texanus
| Helianthus annuus Linnaeus, subsp. texanus Heiser, Amer. Midl. Naturalist 51: 299. 1954. | | TYPE: TEXAS: Uvalde Co.: Frio River W of Knippa, 17 Jul 1949, Heiser 3062 (holotype: IND). |
Helianthus annuus var. apicalis
| Helianthus annuus Linnaeus, var. apicalis Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. aridus
| Helianthus annuus Linnaeus, var. aridus (Rydberg) Cockerell, Amer. Naturalist 49: 611. 1915. | BASIONYM: Helianthus aridus Rydberg 1905. | |
Helianthus annuus var. basalis
| Helianthus annuus Linnaeus, var. basalis Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. chloranthus
| Helianthus annuus Linnaeus, var. chloranthus Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. chrysanthemoides
| Helianthus annuus Linnaeus, var. chrysanthemoides Cockerell, Amer. Naturalist 49: 617. 1915. | | TYPE: COLORADO: |
Helianthus annuus var. convolutus
| Helianthus annuus Linnaeus, var. convolutus Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. coronatus
| Helianthus annuus Linnaeus, var. coronatus Cockerell, Science, ser. 2. 32: 384. 1910. | | TYPE: COLORADP: Boulder Co.: Near Boulder, |
Helianthus annuus var. dilutus
| Helianthus annuus Linnaeus, var. dilutus Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. flavobasis
| Helianthus annuus Linnaeus, var. flavobasis Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. haageanus
| Helianthus annuus Linnaeus, var. haageanus Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. indicus
| Helianthus annuus Linnaeus, var. indicus (Linnaeus) de Candolle, Prodr. 5: 585. 1836. | BASIONYM: Helianthus indicus Linnaeus 1753. | |
Helianthus annuus var. latibasis
| Helianthus annuus Linnaeus, var. latibasis Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. lenticularis
| Helianthus annuus Linnaeus, var. lenticularis (Douglas ex Lindley) Steyermark, Rhodora 62: 132. 1960. | BASIONYM: Helianthus lenticularis Douglas ex Lindley 1829. | |
Helianthus annuus var. macrocarpus
| Helianthus annuus Linnaeus, var. macrocarpus (de Candolle) Cockerell, Science, ser. 2. 40: 409. 1914. | BASIONYM: Helianthus macrocarpus de Candolle 1840. | |
Helianthus annuus var. macrophyllus
| Helianthus annuus Linnaeus, var. macrophyllus Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. niger
| Helianthus annuus Linnaeus, var. niger Cockerell, Science, ser. 2. 40: 708. 1914. | | |
Helianthus annuus var. pallescens
| Helianthus annuus Linnaeus, var. pallescens Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. passiflora
| Helianthus annuus Linnaeus, var. passiflora Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. plenus
| Helianthus annuus Linnaeus, var. plenus Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. praecox
| Helianthus annuus Linnaeus, var. praecox Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. primulinus
| Helianthus annuus Linnaeus, var. primulinus Cockerell, Science, ser. 2. 38: 312. 1913. | | |
Helianthus annuus var. pumilus
| Helianthus annuus Linnaeus, var. pumilus de Candolle, Prodr. 5: 585. 1836. | | |
Helianthus annuus var. reversus
| Helianthus annuus Linnaeus, var. reversus Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. revolutus
| Helianthus annuus Linnaeus, var. revolutus Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. ruberrimus
| Helianthus annuus Linnaeus, var. ruberrimus Cockerell, Science, ser. 2. 40: 708. 1914. | | |
Helianthus annuus var. selene
| Helianthus annuus Linnaeus, var. selene Cockerell, Science, ser. 2. 40: 284. 1914. | | |
Helianthus annuus var. semivinosus
| Helianthus annuus Linnaeus, var. semivinosus Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. simplex
| Helianthus annuus Linnaeus, var. simplex Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. striatiflorus
| Helianthus annuus Linnaeus, var. striatiflorus Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. sulfureus
| Helianthus annuus Linnaeus, var. sulfureus Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus annuus var. texanus
| Helianthus annuus Linnaeus, var. texanus (Heiser) Shinners, Sida 1: 377. 1964. | BASIONYM: Helianthus annuus Linnaeus, subsp. texanus Heiser 1954. | |
Helianthus annuus var. tortuosus
| Helianthus annuus Linnaeus, var. tortuosus Cockerell, Science, ser. 2. 38: 313. 1913. | | |
Helianthus annuus var. trizonatus
| Helianthus annuus Linnaeus, var. trizonatus Cockerell, Gard. Chron., ser. 3. 64: 186. 1918. | | |
Helianthus annuus var. vinosissimus
| Helianthus annuus Linnaeus, var. vinosissimus Cockerell, Science, ser. 2. 40: 709. 1914. | | |
Helianthus annuus var. vinosus
| Helianthus annuus Linnaeus, var. vinosus Cockerell, Science, ser. 2. 38: 313. 1913. | | |
Helianthus annuus var. vulgaris
| Helianthus annuus Linnaeus, var. vulgaris Alefeld, Landw. Fl. 172. 1866. | | |
Helianthus aridus
| Helianthus aridus Rydberg, Bull. Torrey Bot. Club 32: 127. 1905. | | TYPE: MONTANA: Cascade Co.: Great Falls, 1885, Anderson s.n. (holotype: NY?). |
Helianthus cirrhoides
| Helianthus cirrhoides Lehmann, Hamburger Garten-Blumenzeitung 8: 458. 1852. | | |
Helianthus colossus
| Helianthus colossus Kunze, in Otto & A. Dietrich, Allg. Gartenzeitung 7: 43. 1839. | | |
Helianthus erythrocarpus
| Helianthus erythrocarpus Bartling, Linnaea 14(Litt. Ber.): 125. 1840. | | |
Helianthus grandiflorus
| Helianthus grandiflorus Wenderoth, Index Sem. Hort. Acad. Marburg. 1835; Linnaea 11(Litt.): 92. 1837, non Jussieu ex Persoon 1807. | | |
Helianthus indicus
| Helianthus indicus Linnaeus, Mant. Pl. 117. 1767. | | TYPE: Cult. in Egypt, without data (lectotype: Tabernaemontanus, New Vollk. Kraeuterb. 1147. 1664). Lectotypified by Reveal, in C. E. Jarvis & Turland, Taxon 47: 362. 1998. |
Helianthus jaegeri
| Helianthus jaegeri Heiser, Bull. Torrey Bot. Club 75: 513. 1948. | | TYPE: CALIFORNIA: San Bernardino Co.: Near Soda on Soda Dry Lake, 25 Sep 1946, Jaeger s.n. (holotype: POM). |
Helianthus lenticularis
| Helianthus lenticularis Douglas ex Lindley, Edwards's Bot. Reg. 15: pl. 1265. 1829. | | |
Helianthus lenticularis var. primulinus
| Helianthus lenticularis Douglas ex Lindley, var. primulinus Cockerell, Science, ser. 2. 40: 284. 1914. | | |
Helianthus lindheimerianus
| Helianthus lindheimerianus Scheele, Linnaea 22: 159. 1849. | | TYPE: TEXAS: |
Helianthus macrocarpus
| Helianthus macrocarpus de Candolle, Mém. Soc. Phys. Nat. Gèneve 7: not. 8. 1840. | | |
Helianthus ovatus
| Helianthus ovatus Lehmann, Index Sem. Hort. Hamburt 16. 1828. | | |
Helianthus tubaeformis
| Helianthus tubaeformis Nuttall, Gen. N. Amer. Pl. 2: 177. 1818, non Ortega 1800. | | |