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*Cyrtomium C. Presl. Net-veined Holly Fern.

Key to Cyrtomium

A genus of about 35 species, of temperate regions of Africa, Asia, and the Pacific Islands. Cyrtomium is closely related to Polystichum, with some recent molecular studies suggesting that they are reciprocally paraphyletic. They may be combined, or, alternatively, split into smaller genera (Li, Lu, & Barrington 2008). Both species in our flora are apogamous triploids.

Ref: Kramer & Green (1990); Li, Lu, & Barrington (2008); MacDougal (1976); Wyatt (2020); Yatskievych (1993) In Flora of North America Editorial Committee (1993b); Zhang & Barrington (2013). Show full citations.

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Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.

image of plant© Alan Cressler: Cyrtomium fortunei (naturalized), South Fork Peachtree Creek, Hahn Woods, Emory University, DeKalb County, Georgia 1 by Alan Cressler | Cyrtomium fortunei source | Original Image ⭷