Monographs Details: Thelypteris patens var. scabriuscula (C.Presl) A.R.Sm.
Authority: Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Description:Distribution and Ecology - General Distribution. Greater and Lesser Antilles,Trinidad, and continental tropical Americafrom El Salvador to Peru and northwestemArgentina; especially common in Colombia andVenezuela.Distribution in Puerto Rico. Known from ratherfew scattered localities in the north, center,and westem parts of the island; recorded fromArecibo, Cidra, Corozal, Loiza, Maricao, and Mayagñez.Habitat. Along rocky river beds and shadedborders of swamps at low to middle elevations(sea-level-350 m), rare or uncommon.


Basionym. Lastrea scabriuscula K. Presl, EpimeL bot. 35. 1851.

Lectotype. Mikan s.n., from Brazil (PRC, not seen), selected by Christensen (1913).

Syn. Aspidium scabriusculum (K. Presl) Salomon, Salom. Nom. 69. 1883.

Bryopteris patens var. scabriuscula (K. Presl) C. Christensen, Kongel. Danske Vidensk. Selsk. Naturvidensk, Math, Afti. ser. 4,10: 179. 1913.

Bryopteris patens f. scabriuscula (K. Presl) Bonaparte, Not. Pterid. 2: 130. 1915.

Distribution:Trinidad and Tobago South America| El Salvador Central America| Peru South America| Argentina South America| Colombia South America| Venezuela South America| Puerto Rico South America|