Monographs Details: Trichomanes radicans Sw.
Authority: Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Scientific Name:Trichomanes radicans Sw.
Description:Species Description - Rhizome wide-creeping, 1-2.5 mm in diam., densely clothed with small, blackish, hairlike rhizoids which adhere to the substrate. Fronds distant, arching or spreading, mostly 15-40 c m long; stipes relatively short, 0.5-7 cm long, narrowly green-winged distally, sparsely clothed with deciduous, dark brown, simple hairs. Blades lanceoblong to narrowly or broadly ovate, mostly 14-39 cm long, 5-20 cm broad, 3- to 4-pinnatisect, acuminate at apex, more or less narrowed at base; rhachis and all divisions narrowly winged; pinnae numerous, close or overlapping, inequilateral at the short-stalked base, acuminate at apex; ultimate divisions very numerous, close, linear or oblong-linear, the tips blunt, truncate, or forked. Sori numerous, subaxillary, stalked or sessile, directed downward at an angle from plane of blade; involucres tubular or narrowly funnelform, marginate or winged on the sides, slightly bilobed at apex.


Type. Swartz, from Jamaica without exact locality (S, photo U S ; probable isotype SBT).

Syn. Trichomanes scandens of Hedwig, Fil. gen. sp., t. 6. 1799, not Linnaeus, 1753. (Swartz cited Hedwig's plate of'T. scandens" as illustrating his new species T. radicans.)