Monographs Details: Trichomanes diaphanum Humb., Bonpl. & Kunth
Authority: Maguire, Bassett. 1984. The Botany of the Guyana Highland - Part XII. Mem. New York Bot. Gard. 38: 1-84.
Family:Hymenophyllaceae
Description:Distribution and Ecology - General distribution. Guatemala to Panama. Colombia to Guyana, Peru, andBrazil.Guayana Highland distribution. Epipetric on boulders and cUffs, or rarely epiphytic.V E N E Z U E L A . Edo. Bolivar: At the base of Ptari-tepui, and on mainS-facing high sandstone bluffs, 2400-2410 m , Steyermark 59618 (US); M t . R o raima,im Thurn 349 (US).

Discussion:

Trichomanes eximium Kunze ex Sturm in Mart., Fl. Bras. 1(2): 271. 1859, nom. superfl. Trichomanes diaphanum H.B.K. was cited in synonymy.

Trichomanes bradei Christ, Bull. Soc. Bot. Geneve II, 1: 217. 1909. Type. La Palma, Pcia. S. Jose, Costa Rica, 1400 m, 14 Mar 1908, Brade (holotype P? not seen).

Trichomanes diaphanum var. subalatum Rosenst., Repert. Sp. Nov. Fedde 7: 291. 1909, as ""subalata."" Type. Mt. Pichincha, Pcia. Pichincha, Ecuador, Spruce 5654 (S not seen).

Trichomanes eximium var. crispulum Rosenst., Repert. Sp. Nov. Fedde 20: 89. 1924. Lectotype (chosen here). Organ Mountains, Est. Rio de Janeiro, Brazil, Luetzelburg 6196 (lectotype M not seen; isolectotype US).

Vandenboschia diaphana (H.B.K.) Copel., Philippine J. Sci. 67: 53. 1938

Type. Venezuela, Humboldt & Bonpland (holotype B not seen).

Distribution:Guatemala Central America| Panama Central America| Colombia South America| Peru South America| Guyana South America|