Monographs Details: Hymenophyllum microcarpum Desv.
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. Greater Antilles, Dominica, Guatemala, to Panama, Guyana,Bolivia, and Brazil.Guayana Highland distribution. Epiphytic on tree trunks, occasionally epipetricon boulders. C O L O M B I A . Comis. Vaupes: Headwaters of Cafio Teemeefia, RIoPiraparana (tributary ofthe Rio Apaporis), Schultes & Cabrera 17426 (US). VENEZ U E L A . Terr. Amazonas: Cerro Sipapo (Paraque), Maguire & Politi 27615 (NY,US). Edo. BoHvar: Chimanta Massif, summit of Torono-tepui along Caiio Mojado,1895-1910 m , Steyermark & Wurdack 1081 (US); Sierra de Lema, headwatersofthe Rio Chicanan, 700 m , Steyermark 89612 (US, V E N ) ; S W portion of CerroV e n a m o near the Guyana border, 950-1000 m , Steyermark, Dunsterville & Dunsterville92926 (US, V E N ) ; Ptari-tepui, 2285-2405 m , Steyermark 59559 (US).

Discussion:

Hymenophyllum beyrichianum Kunze, Linnaea 9: 108. 1834. Type. Pampayacu, Depto. Huanuco, Peru, Jul 1829, Poeppig (holotype LZ destroyed).

Hymenophyllum organense Hooker, Sp. Fil. 1: 90, t. 32B. 1844. Type. Organ Mountains, Est. Rio de Janeiro, Brazil, Gardner 210 (holotype K not seen, isotype P not seen photo 4597)

Hymenophyllum pteropodum v. d. Bosch. Nederi. Kruid. Arch. 5(3): 187. 1863. Syntypes. Quito, Pcia. Pichincha, Ecuador, Cuming 23 (syntype B not seen) and Jameson 109 (syntype K not seen).

Hymenophyllum lindigU Mett., Ann. Sci. Nat., Paris V, 2: 196. 1864. Type. Fusagasuga, Depto. Cundinamarca, Colombia, Lindig 122 (holotype B not seen).

Hymenophyllum notabileFee, Crypt. Vase. Bres. 1: 193, t. 69, f 2. 1869. Syntypes. Brazil, Glaziou 1714 (syntype P not seen photo 4602) and 2271 (syntype P not seen photo 4603).

Hymenophyllum contractile Sod., Anal. Univ. Quito 6(45): 151. 1892 [reprinted as Crypt. Vase. Quit. 22. 1897]. Type. Nanegal, Pcia. Pichincha, Ecuador, Sodiro (holotype Hb. Sod. not seen fragm US).

Hymenophyllum kaieteurum Jenm., Fems B.W.I. Guiana (Bull. Misc. Inf Trinidad no. 13). 15. 1898. Type. "Forests ofthe Potaro river and other regions," Guyana, Jenman (holotype NY)

Hymenophyllum angustifrons Christ, Bull. Herb. Boiss. II, 4: 940. 1904. Syntypes. Caiias Gordas, Pcia. Puntarenas, Costa Rica, Pittier 10984 (syntype P not seen, isosyntype US); and Paramo de Guanacas, Depto. Cauca, Colombia, 2000-2500 m, Lehmann 6414 (syntype P? not seen, isosyntypes UC, US).

Mecodium microcarpum (Desv.) Copel., Philippine J. Sci. 67: 25. 1938.

Sphaerocionium microcarpum (Desv.) Copel., Philippine J. Sci. 67: 34. 1938.

Hymenophyllum microcarpum var. lanceolatum Morton, Contr. U.S. Natl. Herb. 29: 163. 1947.

Type. Vara Blanca de Sarapiqui, Pcia. Heredia. Costa Rica, 1340 m, Skutch 3639 (holotype US).

Type. Hispaniola, without collector (holotype P-Hb. Desv. not seen).

Distribution:Dominica South America| Guatemala Central America| Panama Central America| Guyana South America| Bolivia South America| Brazil South America| Guyana South America| Colombia South America| Venezuela South America|