Monographs Details: Hymenophyllum fendlerianum J.W.Sturm
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. Northwestern Colombia. Venezuela to Guyana.Guayana Highland distribution. Epiphytic on tree trunks. V E N E Z U E L A : Terr. Amazonas: Cerro Sipapo (Paraque), below L o w C a m p Savanna, Maguire & Politi 27705 ( N Y , U S ) ; S u m m i t of M t . Duida, 4800 ft, Tate 551 (NY), 440 ft, Tate 1036 ( N Y , U S ) , 1700-1980 m , Steyermark 58196 (US). Edo. Bolivar: Meseta delJaua, S W portion of Cerro Jaua, 1750-1800 m , Steyermark, Espinoza & Brewer- Carias 109458 (US, V E N ) ; Meseta del Jaua, N E part of Cerro Sarisariiiama, 1400 m , Steyermark, Espinoza & Brewer-Carias 109175 (US, V E N ) ; W central part of the summit of Auyan-tepui, 1760 m , Steyermark 93378 (F, US , V E N ) ; Chimanta Massif, SW-facing bluffs of Torono-tepui, 1700 m , Steyermark 75471 (F, N Y , U S ) ; Chimanta Massif, SE-facing upper shoulder of Apacara-tepui, 2000-2100 m , Steyermark 75780 (F, N Y , U S ) ; Chimanta Massif, N W part of Abacapa-tepui,1210-1600 m , Steyermark 75075 (F, N Y , U S ) , Alto Rio Cuyuni, above escarpment of L a Escalera, 850 m , Maguire, Steyermark & Maguire 46836 ( N Y , U S ) ; Lower S E slopes of Carrao-tepui, 1675-1980 m , Steyermark 60872 (US); S W part of Cerro V e n a m o near the border with Guyana, 950-1150 m , Steyermark,Dunsterville & Dunsterville 92357 ( V E N , U S ) , 1395-1400 m , Steyermark, D u n sterville & Dunsterville 92468 (VEN, U S ) ; S-facing slopes of Ptari-tepui N E of "Cave Rock," 1800-1850 m , Steyermark 59813 (US); M t . Roraima, im Thurn 205 (US); S u m m i t of Cerro Roraima, N E part near the border with Guyana andBrazil, 2750-2800 m , Steyermark, Brewer-Carias, Dunsterville & Dunsterville 112650 (US, V E N ) . SURINAM . Tafelberg, Maguire 24363 ( N Y , U S ) .

Discussion:

Sphaerocionium crispum var. amoenum Klotzsch, Linnaea 18: 537. 1844. Type. Guyana, Rich.

Schomburgk 1663 (holotype B not seen, isotype BR not seen photo 4823).

Hymenophyllum amoenum (Klotzsch) Sturm in Mart., R. Bras. 1(2): 291. 1859.

Hymenophyllum helicoideum Sodiro, Anal. Univ. Quito 6(45): 150. 1892. Type. Quito-Manabi Road, Ecuador, 1200 m. Sept 1874, Sodiro (isotype US).

Mecodium fendlerianum (Sturm in Mart.) Copel., Philippine J. Sci. 67: 26. 1938

Lectotype (chosen here). Colonia Tovar, Edo. Aragua, Venezuela, Fendler 35 (lectotype US; isolectotypes presumably B and GH, neither seen, BR not seen photo 4833). T h e other syntype, from the same locality, is Moritz 450 (presumably B not seen).

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