Monographs Details: Hymenophyllum valvatum Hook. & Grev.
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. Lesser Antilles. Venezuela and Colombia to Bolivia andpossibly Brazil. Guayana Highland distribution. Epiphytic on tree trunks. V E N E Z U E L A . Edo.Bolivar: Chimanta Massif, S W edge of Apacara-tepui, 1600-1800 m , Steyermark75013 (F, NY , US ) ; Ilu-tepui, Gran Sabana, W-facing slopes below top escarpment,2300-2600 m , Maguire 33475 ( NY, US). GUYANA . Mt. Roraima, Waruma Trail, 4600 ft, Persaud 104 ( NY ).

Discussion:

Hymenophyllum francavillei v. d. Bosch, Nederi. Kruid. Arch. 4: 411. 1859. Lectotype. Guadeloupe, Perrottet (lectotype L? not seen), inferentially chosen by Morton (Contr. U.S. Natl. Herb.' 29: 161. 1947). The other syntype is Martinique, Belanger (syntype L? not seen).

Hymenophyllum crispatulum v. d. Bosch, Nederi. Kruid. Arch. 4: 412. 1859. Type. Tatanara, Peru, Lechler 2530 (holotype L? not seen; isotype P not seen photo 4565

Hymenophyllumplatylobum v. d. Bosch, Nederi. Kruid. Arch. 5(3): 189. 1863. Type. San Gavan, Depto. Puno, Peru, Lechler 2489 (holotype P not seen photo 4624).

Hymenophyllum orbignianum v. d. Bosch, Nederi. Kruid. Arch. 5(3): 191. 1863. Type. Youracares, Bolivia, d'Orbigny 304 (holotype P not seen photo 4604).

Hymenophyllum producens Fee, Crypt. Vase. Bres. 1: 196, t 71, f 4. 1859. Type. Serra dos Orgaos, Est. Rio de Janeiro, Brazil, Glaziou 3349 (holotype P or R B not seen).

Sphaerocionium valvatum (Hook. & Grev.) Copel., Philippine J. Sci. 67: 31. 1938.

Type. Esmeraldas, Ecuador, 1200 m, Jameson (K not seen)

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