Botrychium gracile
| Botrychium gracile Pursh, Fl. Amer. Sept. 656. 1814. | | TYPE: VIRGINIA: |
Botrychium virginianum subsp. typicum
| Botrychium virginianum (Linnaeus) Swartz, subsp. typicum R. T. Clausen, Mem. Torrey Bot. Club 19(2): 98. 1938, nom. inadmiss. | BASIONYM: Botrychium virginianum (Linnaeus) Swartz 1802; Osmunda virginiana Linnaeus 1753. | |
Botrychium virginianum var. gracile
| Botrychium virginianum (Linnaeus) Swartz, var. gracile (Pursh) Milde, Verh. K. K. Zool.-Bot Ges. Wien 19: 179. 1869. | BASIONYM: Botrychium gracile Pursh 1814. | |
Botrychium virginicum var. gracile
| Botrychium virginicum Willdenow, var. gracile (Pursh) C. Presl, Suppl. Tent. Pterid. 46. 1845. | BASIONYM: Botrychium gracile Pursh 1814. | |
Botrypus virginicus
| Botrypus virginicus (Linnaeus) Michaux, Fl. Bor.-Amer. 2: 274. 1803, nom illegit. | BASIONYM: Osmunda virginica Linnaeus 1767, nom. illegit.; Osmunda virginiana Linnaeus 1753. | |
Japanobotrychium virginianum
| Japanobotrychium virginianum (Linnaeus) M. Nishida ex Tagawa, J. Jap. Bot. 33: 202. 1958. | BASIONYM: Osmunda virginiana Linnaeus 1753. | |
Osmunda virginiana
| Osmunda virginiana Linnaeus, Sp. Pl. 1064. 1753. | | TYPE: "America", without data, Kalm s.n. (lectotype: LINN 1244.3). Lectotypified by Proctor, Ferns Jamaica 51. 1985. |
Osmunda virginica
| Osmunda virginica Linnaeus, Syst. Nat., ed. 12. 2: 685. 1767, nom. illegit. | BASIONYM: Osmunda virginiana Linnaeus 1753. | |
Osmundopteris virginiana
| Osmundopteris virginiana (Linnaeus) Small, Ferns S.E. States 377. 1938. | BASIONYM: Osmunda virginiana Linnaeus 1753. | |
Botrychium brachystachys
| Botrychium brachystachys Kunze, Linnaea 18: 305. 1844. | | TYPE: MEXICO: Without data, Roemer 35 (holotype: LZ(destroyed)). |
Botrychium cicutaria
| Botrychium cicutaria (Savigny) Swartz, Syn. Fil. 171. 1806. | BASIONYM: Osmunda cicutaria Savigny 1797. | |
Botrychium dichronum
| Botrychium dichronum Underwood, Bull. Torrey Bot. Club 30: 45. 1903. | | TYPE: JAMAICA: Morce's Gap, 7 Feb 1900, Clute 96 (holotype: GH). |
Botrychium virginianum subsp. meridionale
| Botrychium virginianum (Linnaeus) Swartz, subsp. meridionale (Butters) R. T. Clausen, Mem. Torrey Bot. Club 19(2): 103. 1938. | BASIONYM: Botrychium virginianum (Linnaeus) Swartz, var. meridionale Butters 1917. | |
Botrychium virginianum var. intermedium
| Botrychium virginianum (Linnaeus) Swartz, var. intermedium Butters, Rhodora 19: 210. 1917. | | TYPE: NEW YORK: St. Lawrence Co.: Conton, s.d., Phelps 47 (holotype: GH). |
Botrychium virginianum var. meridionale
| Botrychium virginianum (Linnaeus) Swartz, var. meridionale Butters, Rhodora 19: 213. 1917. | | TYPE: MEXICO: Chiapas: Without data, Ghiesbreght 252 (holotype: GH). |
Botrychium virginianum var. mexicanum
| Botrychium virginianum (Linnaeus) Swartz, var. mexicanum Hooker & Greville, Bot. Misc. 3: 223. 1833. | | TYPE: MEXICO: Veracruz: |
Botrychium virginianum var. occidentale
| Botrychium virginianum (Linnaeus) Swartz, var. occidentale Butters, Rhodora 19: 213. 1917. | | TYPE: IDAHO: Kootenai Co.?: Near S end of Lake Pend d'Oreille, 28 Jul 1892, Sandberg et al. 762 (holotype: GH). |
Botrypus cicutaria
| Botrypus cicutaria (Savigny) Holub, Preslia 45: 277. 1973. | BASIONYM: Osmunda cicutaria Savigny 1797. | |
Botrypus tibeticus
| Botrypus tibeticus Ching, in C. Y. Wu, Fl. Xizang 1: 34. 1983. | | TYPE: CHINA: Tibet: Lingzhi, s.d., Chinese Medicine Plant Invest. Team 3390 (holotype: PE). |
Botrypus virginiana
| Botrypus virginiana (Linnaeus) Holub, Preslia 45: 277. 1973. | BASIONYM: Osmunda virginiana Linnaeus 1753. | |
Japanobotrychium cicutaria
| Japanobotrychium cicutaria (Savigny) M. Nishida ex Tagawa, J. Jap. Bot. 33: 201. 1958. | BASIONYM: Osmunda cicutaria Savigny 1797. | |
Osmunda cicutaria
| Osmunda cicutaria Savigny, in Lamarck, Encycl. 4: 650. 1797. | | TYPE: Hispaniola, without data (holotype: Plumier, Traite Foug. Amer. t. 159. 1705). |