Anemia bipinnata
| Anemia bipinnata (Linnaeus) Swartz, Syn. Fil. 157. 1806. | BASIONYM: Osmunda bipinnata Linnaeus 1753. | |
Osmunda bipinnata
| Osmunda bipinnata Linnaeus, Sp. Pl. 1065. 1753. | | TYPE: Hispaniola, without data (lectotype: Plumier, Traite Foug. Amer. t. 155. 1705). Lectotypified by Proctor, Ferns Jamaica 66. 1985. |
Osmunda cinnamomea
| Osmunda cinnamomea Linnaeus, Sp. Pl. 1066. 1753. | | TYPE: MARYLAND: Without data, Kalm s.n. (lectotype: LINN 1244.12). Lectotypified by Duek, Feddes Repert. 85: 329. 1976. |
Osmunda cinnamomea forma bipinnatifida
| Osmunda cinnamomea Linnaeus, forma. bipinnatifida Clute, Fern Bull. 14: 45. 1906. | | |
Osmunda cinnamomea forma frondosa
| Osmunda cinnamomea Linnaeus, forma frondosa (Torrey & A. Gray ex Torrey) Britton, Cat. Pl. New Jersey 312. 1890. | BASIONYM: Osmunda cinnamomea Linnaeus, var. frondosa Torrey & A. Gray ex Torrey 1840. | |
Osmunda cinnamomea forma trifolia
| Osmunda cinnamomea Linnaeus, forma trifolia Clute, Fern Bull. 17: 12. 1909. | | TYPE: FLORIDA: Seminole Co.: Without data, Rapp s.n. (holotype: BUT?). |
Osmunda cinnamomea var. frondosa
| Osmunda cinnamomea Linnaeus, var. frondosa Torrey & A. Gray ex Torrey, Rep. (Annual) Geol. Surv. New York 4: 190. 1840. | | TYPE: NEW YORK: Washington Co.: Cambridge, 21 Apr 1830, Stevenson s.n. (holotype: NY). |
Osmunda cinnamomea var. typica
| Osmunda cinnamomea Linnaeus, var. typica Fernald, Rhodora 32: 75. 1930, nom. inadmiss. | BASIONYM: Osmunda cinnamomea Linnaeus 1753. | |
Osmunda cinnamomea forma angusta
| Osmunda cinnamomea Linnaeus, forma angusta Clute, Fern Bull. 17: 12. 1909. | | TYPE: VERMONT: Addison Co.: Near Leicester, s.d., Dutton s.n. (holotype: ?). |
Osmunda cinnamomea forma auriculata
| Osmunda cinnamomea Linnaeus, forma auriculata (Hopkins) Kittredge, Bull. Connecticut State Geol. Nat. Hist. Surv. 48: 12. 1931. | BASIONYM: Osmunda cinnamomea Linnaeus, var. auriculata Hopkins 1911. | |
Osmunda cinnamomea forma cornucopiafolia
| Osmunda cinnamomea Linnaeus, forma cornucopiafolia Clute, Fern Bull. 16: 109. 1909. | | TYPE: OHIO: Geauga Co.: Without locality, 1907, Bossart s.n. (holotype: BUT?). |
Osmunda cinnamomea forma crenulata
| Osmunda cinnamomea Linnaeus, forma crenulata Dix, Amer. Fern J. 26: 26. 1936. | | TYPE: PENNSYLVANIA: Wayne Co.: Lake Shehawkin, s.d., Dix s.n. (holotype: PH). |
Osmunda cinnamomea forma glandulosa
| Osmunda cinnamomea Linnaeus, forma glandulosa (Waters) Waters ex M. Broun, Index N. Amer. Ferns 127. 1938; (Waters) Clute, Our Ferns 44. 1938, basionym not cited. | BASIONYM: Osmunda cinnamomea Linnaeus, var. glandulosa Waters 1902. | |
Osmunda cinnamomea forma incisa
| Osmunda cinnamomea Linnaeus, forma incisa (Huntington) Huntington ex Gilbert, List. N. Amer. Pterid. 13, 28. 1901. | BASIONYM: Osmunda cinnamomea Linnaeus, var. incisa Huntington 1899. | |
Osmunda cinnamomea forma latipinnula
| Osmunda cinnamomea Linnaeus, forma latipinnula S. F. Blake, Rhodora 15: 155. 1913. | | TYPE: MASSACHUSETTS: Norfolk Co.: Canton, 7 Oct 1908, Blake 239 (holotype: LL). |
Osmunda cinnamomea forma succumbens
| Osmunda cinnamomea Linnaeus, forma succumbens Kinney, Amer. Fern J. 26: 142. 1936. | | TYPE: MASSACHUSETTS: Worcester Co.: Without data, Kinney s.n. (holotype: GH). |
Osmunda cinnamomea var. achilleaefolia
| Osmunda cinnamomea Linnaeus, var. achilleaefolia Hooker, Gard. Ferns t. 45. 1862. | | TYPE: CANADA: Quebec: |
Osmunda cinnamomea var. auriculata
| Osmunda cinnamomea Linnaeus, var. auriculata Hopkins, Amer. Fern J. 1: 100. 1911. | | TYPE: MAINE: |
Osmunda cinnamomea var. fokiensis
| Osmunda cinnamomea Linnaeus, var. fokiensis Copeland, Philipp. J. Sci. 4: 16. 1909. | | |
Osmunda cinnamomea var. glandulosa
| Osmunda cinnamomea Linnaeus, var. glandulosa Waters, Fern Bull. 10: 21. 1902. | | TYPE: MARYLAND: Anne Arundel Co.: Near Glen Burnie, 28-31 Aug 1901, Waters s.n. (lectotype: PH; isolectotypes: GH, US). Lectotypified by McAvoy, Novon 21: 354. 2011. |
Osmunda cinnamomea var. imbricata
| Osmunda cinnamomea Linnaeus, var. imbricata (Kunze) Milde, Monogr. Gen. Osmund. 95. 1868. | BASIONYM: Osmunda imbricata Kunze 1849. | |
Osmunda cinnamomea var. incisa
| Osmunda cinnamomea Linnaeus, var. incisa Huntington, Fern Bull. 7: 12. 1899. | | TYPE: MASSACHUSETTS: |
Osmunda cinnamomea var. sterilis
| Osmunda cinnamomea Linnaeus, var. sterilis Farwell, Pap. Michigan Acad. Sci. 26: 3. 1941. | | TYPE: MICHIGAN: Wayne Co.: Romulus, 3 Jun 1930, Farwell 8674 (holotype: BLH). |
Osmunda imbricata
| Osmunda imbricata Kunze, Farrnkräuter 2: 29, t. 112. 1849. | | TYPE: VENEZUELA: Merida, s.d., Funck & Schlim 1221 (holotype: LZ(destroyed ?)). |
Osmundastrum cinnamomeum var. fokiensis
| Osmundastrum cinnamomeum (Linnaeus) C. Presl, var. fokiensis (Copeland) Tagawa, J. Jap. Bot. 17: 697. 1941. | BASIONYM: Osmunda cinnamomea Linnaeus, var. fokiensis Copeland 1909. | |
Osmundastrum cinnamomeum var. glandulosum
| Osmundastrum cinnamomeum (Linnaeus) C. Presl, var. glandulosum (Waters) McAvoy, Novon 21: 354. 2011. | BASIONYM: Osmunda cinnamomea Linnaeus, var. glandulosa Waters 1902. | |