George Beauchamp Knowles

Barkeria, abbreviated Bark in horticultural trade, is a genus of orchids. It consists of about 17 currently recognized (May 2014) species native to Mexico and Central America. This genus was once considered part of Epidendrum. Type species is Barkeria elegans; this is now considered a synonym of B. uniflora yet retains its status as type per ICN. These are deciduous orchids, which drop their leaves in early winter. They are found in dry scrub areas of Mesoamerica at intermediate elevations.

Prosthechea is a genus of flowering plants in the orchid family (Orchidaceae). The name is derived from the Greek word prostheke (appendix), referring to the appendage on the back of the column. Appendage orchid is a common name for this genus. Prosthechea is abbreviated Psh. in the horticultural trade.

Leochilus is a genus of flowering plants from the orchid family, Orchidaceae, native to Mexico, Central America, northern South America, the West Indies and Florida. Leochilus carinatus (Knowles & Westc.) Lindl. - Oaxaca, Veracruz Leochilus crocodiliceps (Rchb.f.) Kraenzl. in H.G.A.Engler - Jalisco, Colima Leochilus hagsateri M.W.Chase - Oaxaca Leochilus inconspicuus (Kraenzl.) M.W.Chase & N.H.Williams - Costa Rica Leochilus johnstonii Ames & Correll - from Oaxaca south to Nicaragua Leochilus labiatus (Sw.) Kuntze - from Oaxaca south to Brazil; also West Indies and Florida Leochilus leiboldii

Stanhopea maculosa is a species of orchid endemic to western Mexico. Dodson (1975) considered Stanhopea schilleriana a synonym of this species.

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Nemaconia is a genus of flowering plants belonging to the family Orchidaceae. Its native range is Mexico to Southern Tropical America. Species: Nemaconia dressleriana (Soto Arenas) Van den Berg, Salazar & Soto Arenas Nemaconia glomerata (Correll) Van den Berg, Salazar & Soto Arenas Nemaconia graminifolia Knowles & Westc. Nemaconia longipetala (Correll) Van den Berg, Salazar & Soto Arenas Nemaconia pellita (Rchb.f.) Van den Berg, Salazar & Soto Arenas Nemaconia striata (Lindl.) Van den Berg, Salazar & Soto Arenas

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Brassia cochleata is an epiphytic species of orchid. it is native to northern South America (French Guinea, Guyana, Suriname, Venezuela, Colombia, Ecuador, Peru, northern Brazil).

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Peristeria guttata is a species of orchid native to Central and South America.

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