= Anemia bipinnata (L.) Sw.; Syn. Fil. (Kiliae) [O.Swartz] 157 (1806)
= Osmunda alata Goldie; Edinburgh New Philos. J. 6: 332 (1822)
= Osmunda bipinnata L.; Sp. Pl. [Linnaeus] 2: 1065 (1753)
= Osmunda cinnamomea f. angusta Clute; Fern Bull. 17: 12 (1909)
= Osmunda cinnamomea f. auriculata (Hopkins) Kittr.; Connecticut State Geol. Surv. Bull. 48: 12 (1931)
= Osmunda cinnamomea f. cornucopiafolia Clute; Fern Bull. 16: 109 (1909)
= Osmunda cinnamomea f. crenulata Dix; Amer. Fern J. 26: 26 (1936)
= Osmunda cinnamomea f. frondosa (Torr. & A.Gray) Britton; Cat. Pl. New Jersey 312 (1890)
= Osmunda cinnamomea f. imbricata (Kunze) Clute; Our Ferns 44 (1901)
= Osmunda cinnamomea f. incisa (Huntington) Gilbert; Working List N. Amer. Pterid. 13 (1901)
= Osmunda cinnamomea f. latipinnula S.F.Blake; Rhodora 15: 155 (1913)
= Osmunda cinnamomea f. succumbens C.W.Kinney; Amer. Fern J. 26: 142 (1936)
= Osmunda cinnamomea f. trifolia Clute; Fern Bull. 17: 12 (1909)
= Osmunda cinnamomea L.; Sp. Pl. [Linnaeus] 2: 1106 (1753)
= Osmunda cinnamomea var. achilleifolia Hook.; Gard. Ferns tab. 45 (1861)
= Osmunda cinnamomea var. auriculata Hopkins; Amer. Fern J. 1: 100 (1911)
= Osmunda cinnamomea var. bipinnatifida Clute; Fern Bull. 14: 45 (1906)
= Osmunda cinnamomea var. frondosa Torr. & A.Gray; State New York, Commun. no. 50: 196 (1840)
= Osmunda cinnamomea var. imbricata (Kunze) Milde; Monogr. Osmund. 95 (1868)
= Osmunda cinnamomea var. incisa Huntington; Fern Bull. 7: 12 (1899)
= Osmunda cinnamomea var. sterilis Farw.; Pap. Michigan Acad. Sci. 26, pt. 1: 3 (1941)
= Osmunda imbricata Kunze; Farrnkräuter 2: 29, t. 112 (1849)
= Osmundastrum cinnamomeum var. imbricatum (Kunze) Milde; Monogr. Osmund. 95 (1868)
= Osmundastrum imbricatum (Kunze) A.E.Bobrov; Bot. Zhurn. (Moscow & Leningrad) 52: 1605 (1967)
= Struthiopteris cinnamomea (L.) Bernh.; J. Bot. [Schrader] 1800(2): 126 (1801)