Monographs Details: Hymenophyllum trapezoidale Liebm.
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. Southem Mexico and Guatemala. Colombia. Surinam.Guayana Highland distribution. Epiphytic on tree trunks. S U R I N A M . Tafelberg,E escarpment, 2 k m S of East Ridge, 930 m , Maguire 24579 (NY, U S ) .

Discussion:

Hymenophyllum ciliatum var. nudipes Kunze, Linnaea 18: 351. 1844. Type. Cuesta Grande de Jalacingo, Edo. Veracruz, Mexico, Schiede 810 p. p. (holotype LZ destroyed).

Hymenophyllum apertum v. d. Bosch, Nederi. Kruid. Arch. 5(3): 194. 1863. Lectotype. Cuesta Grande de Jalacingo, Edo. Veracruz, Mexico, Schiede 810 p. p. (lectotype L? not seen), inferentially chosen by Morton (Contr. U.S. Natl. Herb. 29: 167. 1947). The other syntypes are Mexico, Liebmann, Leibold, and Schaffner (syntypes all L? not seen).

Lectotype. Chinantla, Edo. Puebla, Mexico, 7000 ft, Liebmann Fl. M e x . 258 (C not seen fragm U S ) , chosen by A. R. Smith (Fl. Chiapas 2: 135. 1981).

Distribution:Mexico North America| Guatemala Central America| Colombia South America| Suriname South America| Guyana South America|