Monographs Details: Trichomanes arbuscula 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. Jamaica. Trinidad. Southem Venezuela to Surinam.Guayana Highland distribution. Epiphytic on tree trunks; also terrestrial orepipetric. V E N E Z U E L A . Terr. Amazonas: Cerro Duida, 1000-1100 m , Maguire,C o w a n & Wurdack 29522 ( N Y , U S ) . Edo. Bolivar: Chimanta Massif, W side ofApacara-tepui, 415 m , Steyermark 74665 (F, U S ) ; Chimanta Massif, Sarventepui,1200 m , Wurdack 34355 (NY, U S ) ; Chimanta Massif, Amuri-tepui (Wsector of Acopan-tepui), 1920-1950 m , Steyermark, Huber & Carrefio E. 128711(US, V E N ) ; S u m m i t of N portion of Cerro Uroi, 700 m , Maguire, Steyermark &Maguire 53743 ( N Y , U S ) ; N W slopes of Cerro V e n a m o , 1100 m , Steyermark &Nilsson 166 (US, V E N ) . G U Y A N A . Potaro Gorge 1 m i below Kaieteur Falls,Maguire & Fanshawe 23421 (NY, U S ) ; Kamakusa, upper Mazaruni River, Leng335 (NY). S U R I N A M . N E foot of Tafelberg, Geijskes 1013 and 1014 (both L,U S ) ; Kappelsavanna, 10 k m S of Tafelberg, Kramer, Hekking & Tryon 2878 and3242 (both G H , L, U S ).

Discussion:

Trichomanes bancroftu Hook. & Grev., Icon. Fil. 2: t. 204. 1831. Type. Demerara, Guyana, Parker (holoType K not seen). According to Dr. A. HiU (in litt. to W. R. Maxon, 2 Mar 1926), this is the specimen figured by Hooker and Greville; the Jamaica specimens cited by them may be regarded as paratypes.

Trichomanes coriaceum Kunze, Linnaea 9: 105. 1834. Type. Near Colares, Ega, Est. Para, Brazil, Poeppig Diar. 2981 (holotype LZ destroyed; probable isotype L not seen photo 2392).

Ptilophyllum bancroftu (Hook. & Grev.) Prantl, Untersuch. Morph. Gefaesskrypt. 1: 48. 1875.

Type. "Crescit in Guiana," without collector (holotype P-Hb. Desv. not seen), examined by Weatherby (1936, p. 34).

Distribution:Jamaica South America| Trinidad and Tobago South America| Venezuela South America| Suriname South America| Guyana South America|