Monographs Details: Adiantum latifolium Lam.
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Pteridaceae
Scientific Name:Adiantum latifolium Lam.
Description:Distribution and Ecology - General distribution. Tropical America. Terrestrial.Guayana Highland distribution. COLOMBIA. Meta: Sierra de la Macarena, Cano Entrada, alt 500 m, Philipson & Idrobo 1748 (US), 1749 (US); N side of river near junction of Río Güejar and Río Zanza, N end of the Cordillera, alt ca 500 m, Smith & Idrobo 1504 (UC, US). Amazonas-Vaupés: Soratama, Río Apaporís between the Río Pacoa and the Río Kananari, ca 250 m alt, Schultes & Cabrera 13685 (US). VENEZUELA. Bolívar: Wooded valley NE of Canaima, S of Cerro Venado, alt 100-500 m, Agostini 296 (COL, US). BRAZIL. Amazonas: Rio Xié, Cachoeira Cumatí, upper Rio Negro basin, Schultes & Lopez 9220 (US).

Discussion:

Adiantum denticulatum Swartz, Nov. Gen. & Sp. PI. Prodr. 135. 1788, non Burm. 1768. Type. Jamaica, Swartz (S not seen Maxon photo US).

Adiantum elatum Desv., Ges. Naturf. Freunde Berlin Mag. 5: 327. 1811. Type. “Habitat in Brazilia,” Dombey (P-JU Cat. 1421 not seen photo 3153 US).

Adiantum fovearum Raddi, PI. Bras. 1: 58, t. 77. 1825. Type. “. . . in viciniis Rio de Janeiro,” Raddi (PI not seen).

Adiantum haenkeanum Presl, Rel. Haenk. 1: 62. 1825. Type. Guayaquil, Ecuador, Haenke (PR; isotypes B, K none seen).

Adiantum argutum Splitg., Tijdsch. Nat. Gesch. Physiol. [Leiden] 7: 427. 1840. Syntypes. “Habitat in sylvis submontosis prope de Blaauwe Berg, Suriname, Splitgerber 290, 891 (L not seen photos 193, 194 US).

Adiantum lucidum var bipinnatum Mett. ex Fourn., Mex. PI. 129. 1872. Lectotype. “Bois humidis de Teapa,” Tabasco, Mexico, Linden (P not seen photo 2606 US).

Adiantum triangulatum var acuminatum Jenm., Bull. Dep. Agr. Jamaica 33: 7. 1892. Type. “West Indies generally and British Guiana,” Jenman (NY not seen).

Adiantum intermedium var medioximum Christ, Bot. Jahrb. 24: 93. 1897. Type. Castleton, Jamaica, Harris 1554 (P not seen photo 2604 US).

Adiantum fovearum var reductum Jenm., Bull. Misc. Info. Trinidad 19: App. 87. 1899. Type. Corentyn River, British Guiana, Jenman (NY not seen).

Adiantum fovearum var major Rosenst., Repert. Sp. Nov. Fedde 21: 345. 1925. Type. Morro das pedros, Munic. Iguape, São Paulo, Brazil, A. C. Brade 7764 (S-PA not seen).

Adiantum latifolium var grisebachianum Domin, Pterid. Dominica 139. 1929. Syntypes. Roseau, Dominica, Domin (PR not seen) and Mayagüez in monte Mesa, Sintensis, Pl. Portoric. 436b (not seen).

Type. Uncertain, but possibly Brazil, Commerson (P-JU Cat. 1408 not seen photo 3151 US), according to the note accompanying Morton’s photograph.

Distribution:Colombia South America| Guyana South America| Venezuela South America| Brazil South America|