Helianthus hirtus
| Helianthus hirtus (Linnaeus) E. H. L. Krause, in Sturm, Deutschl. Fl., ed. 2. 13: 165. 1905. | BASIONYM: Rudbeckia hirta Linnaeus 1753. | |
Rudbeckia divergens
| Rudbeckia divergens T. V. Moore, Pittonia 4: 177. 1900. | | TYPE: FLORIDA: Duval Co.: Near Jacksonville, 16 May 1894, Curtiss 4759 (holotype: ?; isotype: NY). |
Rudbeckia floridana
| Rudbeckia floridana T. V. Moore, Pittonia 4: 176. 1900. | | TYPE: FLORIDA: Seminole Co.: Sanford, 29 Jul 1895, Nash 2272 (holotype: ?; isotypes: GH, NY). |
Rudbeckia floridana var. angustifolia
| Rudbeckia floridana T. V. Moore, var. angustifolia T. V. Moore, Pittonia 4: 176. 1900. | | TYPE: LOUISIANA: St. Tammany Par.: Mandeville, |
Rudbeckia hirta var. angustifolia
| Rudbeckia hirta Linnaeus, var. angustifolia (T. V. Moore) Perdue, Rhodora 59: 296. 1957. | BASIONYM: Rudbeckia floridana T. V. Moore, var. angustifolia T. V. Moore 1900. | |
Rudbeckia hirta var. floridana
| Rudbeckia hirta Linnaeus, var. floridana (T. V. Moore) Perdue, Rhodora 59: 296. 1957. | BASIONYM: Rudbeckia floridana T. V. Moore 1900. | |
Rudbeckia hirta var. pulcherrima
| Rudbeckia hirta Linnaeus, var. pulcherrima Farwell, Rep. (Annual) Michigan Acad. Sci. 6: 209. 1904. | | TYPE: MICHIGAN: Wayne Co.: Detroit, Belle Isle, 26 Jul 1900, Farwell s.n. (lectotype: BLH). Lectotypiified by McVaugh et al., Cranbrook Inst. Sci. Bull. 34: 65. 1953. |
Rudbeckia serotina forma pulcherrima
| Rudbeckia serotina Nuttall, forma pulcherrima (Farwell) Fernald & B. G. Schubert, Rhodora 50: 175. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, var. pulcherrima Farwell 1904. | |
Obeliscotheca flava
| Obeliscotheca flava (T. V. Moore) Nieuwland & Lunell, Amer. Midl. Naturalist 5: 62. 1917. | BASIONYM: Rudbeckia flava T. V. Moore 1900. | |
Obeliscotheca flava var. perbracteata
| Obeliscotheca flava (T. V. Moore) Nieuwland & Lunell, var. perbracteata (Lunell) Nieuwland & Lunell, Amer. Midl. Naturalist 5: 62. 1917. | BASIONYM: Rudbeckia flava T. V. Moore, var. perbracteata Lunell 1912. | |
Rudbeckia amplectens
| Rudbeckia amplectens T. V. Moore, Pittonia 4: 177. 1900. | | TYPE: GEORGIA: Floyd Co.: Rome, s.d., McCarthy 28 (holotype: ?; isotype: US). |
Rudbeckia bicolor
| Rudbeckia bicolor Nuttall, J. Acad. Nat. Sci. Philadelphia 7: 81. 1834. | | TYPE: Without data, Drummond 212 (holotype: ?; isotypes: GH 2 shts). |
Rudbeckia brittonii
| Rudbeckia brittonii Small, Mem. Torrey Bot. Club 4: 130, pl. 79. 1894. | | |
Rudbeckia flava
| Rudbeckia flava T. V. Moore, Pittonia 4: 279. 1900. | | TYPE: COLORADO/WYOMING: |
Rudbeckia flava var. perbracteata
| Rudbeckia flava T. V. Moore, var. perbracteata Lunell, Amer. Midl. Naturalist 2: 147. 1912. | | TYPE: SOUTH DAKOTA: |
Rudbeckia flexuosa
| Rudbeckia flexuosa T. V. Moore, Pittonia 4: 180. 1900. | | TYPE: TEXAS: San Patricio Co.: Near Gregory, 14 Apr 1894, Heller 1571 (holotype: US). |
Rudbeckia hirta forma dichroma
| Rudbeckia hirta Linnaeus, forma dichroma Clute, Amer. Bot. (Binghamton) 30: 159. 1924. | | TYPE: ILLINOIS: |
Rudbeckia hirta forma gigantea
| Rudbeckia hirta Linnaeus, forma gigantea Clute, Amer. Bot. (Binghamton) 30: 159. 1924. | | TYPE: ILLINOIS: |
Rudbeckia hirta forma homochroma
| Rudbeckia hirta Linnaeus, forma homochroma Steyermark, Rhodora 40: 179. 1938. | | TYPE: MISSOURI: Oregon Co.: Clark National Forest, Fristoe Unit, 10 mi. W of New Liberty, 3 Jul 1936, Steyermark 11345 (holotype: MO). |
Rudbeckia hirta forma pleniflora
| Rudbeckia hirta Linnaeus, forma pleniflora Moldenke, Phytologia 2: 320. 1947. | | TYPE: NEW JERSEY: Somerset Co.: Valley between the First and Second Mountains, Watchung, 27 Jul 1924, Moldenke 2058 (holotype: NY). |
Rudbeckia hirta forma viridiflora
| Rudbeckia hirta Linnaeus, forma viridiflora Burnham, Amer. Bot. (Binghamton) 22: 151. 1916. | | TYPE: NEW YORK: |
Rudbeckia hirta var. annulata
| Rudbeckia hirta Linnaeus, var. annulata Clute, Amer. Bot. (Binghamton) 19: 134. 1913. | | TYPE: ILLINOIS: |
Rudbeckia hirta var. bicolor
| Rudbeckia hirta Linnaeus, var. bicolor Clute, Amer. Bot. (Binghamton) 19: 133. 1913. | | TYPE: ILLINOIS: |
Rudbeckia hirta var. brittonii
| Rudbeckia hirta Linnaeus, var. brittonii (Small) Fernald, Rhodora 39: 457. 1937. | BASIONYM: Rudbeckia brittonii Small 1894. | |
Rudbeckia hirta var. corymbifera
| Rudbeckia hirta Linnaeus, var. corymbifera Fernald, Rhodora 39: 457, t. 487(1-2). 1939. | | TYPE: VIRGINIA: Chesterfield Co.: Half-way House, 20 Jun 1936, Fernald et al. 5947 (holotype: GH; isotyeps: NY, PH, URV, US). |
Rudbeckia hirta var. flavescens
| Rudbeckia hirta Linnaeus, var. flavescens Clute, Amer. Bot. (Binghamton) 21: 56. 1915. | | TYPE: ILLINOIS: |
Rudbeckia hirta var. lanceolata
| Rudbeckia hirta Linnaeus, var. lanceolata (Bischoff) Core, Castanea 27: 62. 1962. | BASIONYM: Rudbeckia lanceolata Bischoff 1848. | |
Rudbeckia hirta var. major
| Rudbeckia hirta Linnaeus, var. major Hooker, Companion Bot. Mag. 1: 99. 1835. | | TYPE: MISSOURI: |
Rudbeckia hirta var. monticola
| Rudbeckia hirta Linnaeus, var. monticola (Small) Fernald, Rhodora 39: 457. 1937. | BASIONYM: Rudbeckia monticola Small 1901. | |
Rudbeckia hirta var. rubra
| Rudbeckia hirta Linnaeus, var. rubra Clute, Amer. Bot. (Binghamton) 19: 134. 1913. | | TYPE: ILLINOIS: |
Rudbeckia hirta var. sericea
| Rudbeckia hirta Linnaeus, var. sericea (T. V. Moore) Fernald, Rhodora 39: 457. 1937. | BASIONYM: Rudbeckia sericea T. V. Moore 1900. | |
Rudbeckia hirta var. serotina
| Rudbeckia hirta Linnaeus, var. serotina Core, Castanea 27: 62. 1962. | BASIONYM: Rudbeckia serotina Nuttall 1834, non Sweet 1823-1825. | |
Rudbeckia hirta var. tubuliformis
| Rudbeckia hirta Linnaeus, var. tubuliformis Burnham, Amer. Bot. (Binghamton) 20: 22. 1914. | | TYPE: NEW YORK: |
Rudbeckia lanceolata
| Rudbeckia lanceolata Bischoff, Del. Sem. Hort. Heidelberg 4. 1848; Bischoff ex Walpers, Ann. Bot. Syst. 2; 855. 1852. | | |
Rudbeckia longipes
| Rudbeckia longipes T. V. Moore, Pittonia 4: 178. 1900. | | |
Rudbeckia monticola
| Rudbeckia monticola Small, Torreya 1: 67. 1901. | | TYPE: GEORGIA: Rabun Co.: Estatoah Falls, 11-12 Aug 1893, Small s.n. (holotype: NY). |
Rudbeckia sericea
| Rudbeckia sericea T. V. Moore, Pittonia 4: 178. 1900. | | TYPE: MISSOURI: Shannon Co.: Without locality, 20 Jul 1891, Bush 137 (holotype: ?; isotype: US). |
Rudbeckia serotina
| Rudbeckia serotina Nuttall, J. Acad. Nat. Sci. Philadelphia 7: 80. 1834, non Sweet 1823-1825. | | |
Rudbeckia serotina forma annulata
| Rudbeckia serotina Nuttall, forma annulata (Clute) Fernald & B. G. Schubert, Rhodora 50: 176. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, var. annulata Clute 1913. | |
Rudbeckia serotina forma dichroma
| Rudbeckia serotina Nuttall, forma dichroma (Clute) Moldenke, in Oswald, Phytologia 5: 292. 1955. | BASIONYM: Rudbeckia hirta Linnaeus, forma dichroma Clute 1924. | |
Rudbeckia serotina forma flavescens
| Rudbeckia serotina Nuttall, forma flavescens (Clute) Moldenke, in Oswald, Phytologia 5: 292. 1955. | BASIONYM: Rudbeckia hirta Linnaeus, var. flavescens Clute 1915. | |
Rudbeckia serotina forma gigantea
| Rudbeckia serotina Nuttall, forma gigantea (Clute) Moldenke, in Oswald, Phytologia 5: 292. 1955. | BASIONYM: Rudbeckia hirta Linnaeus, forma gigantea Clute 1924. | |
Rudbeckia serotina forma homochroma
| Rudbeckia serotina Nuttall, forma homochroma (Steyermark) Fernald & B. G. Schubert, Rhodora 50: 176. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, forma homochroma Steyermark 1938. | |
Rudbeckia serotina forma novae-caesareae
| Rudbeckia serotina Nuttall, forma novae-caesareae Oswald, Phytologia 5: 292. 1955. | | TYPE: NEW JERSEY: Bergen Co.: Fairmount section of Hackensack, 6 Jul 1955, Oswald s.n. (holotype: NY). |
Rudbeckia serotina forma pleniflora
| Rudbeckia serotina Nuttall, forma pleniflora (Moldenke) Fernald & B. G. Schubert, Rhodora 50: 176. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, forma pleniflora Moldenke 1947. | |
Rudbeckia serotina forma rubra
| Rudbeckia serotina Nuttall, forma rubra (Clute) Fernald & B. G. Schubert, Rhodora 50: 175. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, var. rubra Clute 1913. | |
Rudbeckia serotina forma tubuliformis
| Rudbeckia serotina Nuttall, forma tubuliformis (Burnham) Fernald & B. G. Schubert, Rhodora 50: 175. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, var. tubuliformis Burnham 1914. | |
Rudbeckia serotina forma viridiflora
| Rudbeckia serotina Nuttall, forma viridiflora (Burnham) Fernald & B. G. Schubert, Rhodora 50: 176. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, forma viridiflora Burnham 1916. | |
Rudbeckia serotina var. corymbifera
| Rudbeckia serotina Nuttall, var. corymbifera (Fernald) Fernald & B. G. Schubert, Rhodora 50: 175. 1948. | BASIONYM: Rudbeckia hirta Linnaeus, var. corymbifera Fernal 1937. | |
Rudbeckia serotina var. lanceolata
| Rudbeckia serotina Nuttall, var. lanceolata (Bischoff) Fernald & B. G. Schubert, Rhodora 50: 175. 1948. | BASIONYM: Rudbeckia lanceolata Bischoff 1848. | |
Rudbeckia serotina var. sericea
| Rudbeckia serotina Nuttall, var. sericea (T. V. Moore) Fernald & B. G. Schubert, Rhodora 50: 175. 1948. | BASIONYM: Rudbeckia sericea T. V. Moore 1900. | |
Rudbeckia strigosa
| Rudbeckia strigosa Nuttall, Trans. Amer. Philos. Soc., ser. 2. 7: 354. 1841. | | TYPE: ALABAMA: |