Monographs Details: Vittaria gardneriana Fée
Authority: Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.
Family:Pteridaceae
Description:Distribution and Ecology - Guayana Highland distribution. Terrestrial or epipetric. VENEZUELA. Bolívar: Mt. Roraima, SW-facing side, from beginning of sandstone bluffs to summit, alt 2255-2620 m, Steyermark 58738 (F, NY, US); Ptari-tepuí, SW slope, alt 1500-2000 m, Maguire & Wurdack 33880 (F, NY, US), S-facing slopes, alt 2285-2405 m, Steyermark 59596 (F, NY, US); Chimantá Massif, central section, vicinity of upper falls of the Río Tirica above Summit Camp, alt 1940-1950 m, Steyermark & Wurdack 529 (F, NY, US), Chimantá-tepuí (Torono-tepuí), SW-facing bluffs near southern corner, alt 1700 m, Steyermark 75482 (F, NY, US); Auyán-tepuí, upper part, alt 2300 m, Vareschi & Foldats 4936 (US).

Discussion:

Vittaria karsteniana Mett., Ann. Sci. Nat. Paris V, 2: 207. 1864. Lectotype (chosen here): San Pedro, Prov. Ocaña, Colombia, Schlim 318 (B not seen; isolectotype US). The other syntypes include La Peña, Colombia, alt 2900 m, Lindig 176; Quindio, Colombia, alt 3000 m, Triana; and Tolima, Colombia, Goudot (all B none seen).

Vittaria gracilis Moritz ex Kuhn, Linnaea 36: 67. 1869. Type. Colonia Tovar, Venezuela, Moritz 464 (B? not seen; isotype L not seen photo 2366 US).

Vittaria gardneriana var gracilis (Moritz ex Kuhn) Hieron., Bot. Jahrb. 34 : 497. 1904.

Vittaria bommeri Christ, Bull. Herb. Boiss. II, 5: 11. 1905. Syntypes. Costa Rica, Wercklé 217 (P not seen); Valley of the Río Socio, Costa Rica, Pittier 576a (P not seen).

Vittaria gardneriana var stenolepis Rosenst., Hedwigia 46: 149. 1907. Syntypes. Joinville, Santa Catarina, Brazil, E. O. Mueller 3a and Pirabeiraba, Schmalz 41.1 (both S-PA neither seen).

Lectotype. Organ Mountains, Brazil, Gardner 147 (BM not seen; isolectotypes B not seen, US), chosen by Benedict (Bull. Torrey Bot. Club 41: 401. 1914). General distribution. Hispaniola. Costa Rica through tropical South America, mostly above 1000 m (in North America) and 1500 m (in South America).

Distribution:Guyana South America| Venezuela South America|