Monographs Details: Trichomanes tanaicum Hook.
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. Colombia to Venezuela and Amazonian Peru.Guayana Highland distribution. Hemiepiphytic on tree tmnks. COLOMBIA.Comis. Amazonas: Rio Ricapuya (tributary ofthe Rio Apaporis below the mouthofthe Rio Piraparana), ca 700 ft, Schultes & Cabrera 17636 (US). Comis. A m a zonasor Vaupes: Rio Apaporis between the Rio Pacoa and the Rio Kananari, ca250 m , Schultes & Cabrera 13728 (US). VENEZUELA . Terr. Amazonas: BelowRaudal Pocure, Rio C u n u c u n u m a (tributary ofthe Rio Orinoco), Maguire, Cowan& Wurdack 29411 (NY, U S ) ; Piedra Cucuy, Rio Negro, 100 m , Maguire &Wurdack 34942 (NY, U S ) ; Alto Atacavi, Foldats 3786 ( V E N not seen). Edo.Bolivar: Piedra Caribe, Alto Casiquiare, Vareschi & Maegdefrau 6677 ( V E N notseen).

Discussion:

Lacostea tanaica (Hook, ex Sturm in Mart.) Prantl, Unters. Morph. Gefaesskrypt. 1: 50. 1875.

Trichomanes ankersii var. tanaicum (Hook, ex Sturm in Mart.) Sadeb. in Engl. & Prantl, Nat. Pflanzenfam. 1(4): 105. 1899.

Trichomanes carolianum Vareschi, Acta Bot. Venez. 1: 88,/ 3A. 1966. Type. Piedra Canbe, Alto Casiquiare, Edo. Bolivar, Venezuela, Vareschi & Magdefrau 6677 (holotype V E N not seen).

Type. Near Tanaii, Rio Acara, Est. Para, Brazil, Spruce 410 (holotype B not seen; isotypes [as "'Spruce 44''] K not seen Kramer photo, U S ).

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