Contains 2 accepted taxa overall.

Characteristics
Polystichum Roth
SWORD FERN
Classification
POLYPODIALES
Polystichum
Citation
POLYSTICHUM Roth, Tent. Fl. German. 3: 31. 1799, nom. cons. vs. Hypopeltis Michaux 1803.
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TYPE: Polystichum lonchitis (Linnaeus) Roth (Polypodium lonchitis Linnaeus)
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Polystichum acrostichoides CHRISTMAS FERN Native FACU (NWPL)
Polystichum tsus-simense KOREAN ROCK FERN Not Native
Identification Key
1.  Leaves 1-pinnate, the pinnae simple
1.  Leaves 1- or 2-pinnate, the pinnae deeply lobed or pinnately divided
Genus Synonyms
Synonym Full Citation Basionym Type
Acropelta Acropelta Nakai, Bull. Natl. Sci. Mus. 33: 5. 1953. TYPE: Polystichum omeiense C. Christensen
Aetopteron Aetopteron Ehrhart ex House, Amer. Fern J. 10: 88. 1920. TYPE: Aetopteron aculeatum (Linnaeus) House (Polypodium aculeatum Linnaeus)
Hemesteum Hemesteum H. Léveillé, Fl. Kouy-Tchéou 450, 496. 1915, non Hemestheum Newman 1851. TYPE: Non designatus.
Hypopeltis Hypopeltis Michaux, Fl. Bor.-Amer . 2: 266. 1803, nom. rej. vs. Polystichum Roth 1799. TYPE: Hypopeltis lobulata Bory
Papuapteris Papuapteris C. Christensen, Brittonia 2: 300. 1937. TYPE: Papuapteris linearis C. Christensen
Plecosorus Plecosorus Fee, Mem. Foug. 5: 150. 1852. TYPE: Plecosorus mexicanum Fee, nom. illegit. (Cheilanthes speciosissima A. Braun ex Kunze; Plecosorus speciosissimus (A. Braun ex Kunze) T. Moore) Lectotypified by J. Smith, Hist. Filicum 169. 1875.
Sorolepidium Sorolepidium H. Christ, Bot. Gaz. 51: 350. 1911. TYPE: Sorolepidium glaciale (H. Christ) H. Christ (Polystichum glaciale H. Christ)