Monographs Details: Adiantum petiolatum Desv.
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. Tropical America. Terrestrial, particularly on stream banks.Guayana Highland distribution. COLOMBIA. Vaupés: Río Pacoa (tributary of the Río Apaporís), alt 270 m, Schultes & Cabrera 15256 (US). VENEZUELA. Bolívar: Between Río Reforma and the rapids above Río Reforma, Sierra Imataca, Steyermark 88044 (NY, VEN).

Discussion:

Adiantum obliquum sensu Kaulf., Enum. Fil. 200. 1824, non Willd., 1810. Type. Martinique, Sieber FI. Martin. 371 (B not seen).

?Adiantum oblongatum Schrad., Gott. Gel. Anz. 1824: 872. 1824. Type. Brazil, Prince Maxmillian von Neowidens (M not seen).

Adiantum kaulfussii Kunze, Linnaea 21: 221. 1848. Lectotype. Martinique, Sieber, Fl. Martin. 371 (not seen; isotype B not seen), chosen by Tryon, Contr. Gray Herb. 194: 149. 1964).

Type. “Habitat in Gallia aequinoctiali Brasilioque.” Tryon (Contr. Gray Herb. 194: 149. 1964) reports “uncertain, not seen at P.”

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