Monographs Details: Antrophyum guayanense Hieron.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Pteridaceae
Description:Distribution and Ecology - General distribution. Colombia to Trinidad and Brazil. Epiphytic up to 500 m altitude.Guayana Highland distribution. VENEZUELA. Bolívar: Chimantá Massif, Lower NW slopes of Abácapa-tepuí, alt 420 m, Steyermark 74747 (F), Vicinity of Techiné-Merú, along the Río Aparurén between the mouth of the Río Aparurén and Kon-quén, alt 470 m, Steyermark 76037 (NY, US); Cerro Guaiquinima, Río Paragua, alt 200 m, Maguire 33117 (F, US). Amazonas: Río Cunucunuma, tributary of the Río Orinoco, ca 20 mi. above Playa Alta, Maguire, Cowan & Wurdack 30450 (US).

Discussion:

Polytaenium guayanense (Hieron.) Alston, Kew Bull. 1932: 314. 1932.

Lectotype. Trinidad, Fendler 151 (B not seen; isotype GH), chosen by Tryon (Rhodora 66: 113.1964).

Distribution:Venezuela South America| Colombia South America| Trinidad and Tobago South America| Brazil South America| Guyana South America|