Robert Louis Dressler

Guarianthe, abbreviated Gur. in the horticultural trade, is a small genus of epiphytic orchids, growing in wet forests in Mexico, Central America, Colombia, Venezuela and Trinidad. It was separated from the bifoliate Cattleyas in 2003, based on phylogenetic studies of nuclear DNA sequence data.

Cischweinfia is a genus of flowering plants from the orchid family, Orchidaceae. It was named after Harvard orchidologist Charles Schweinfurth. It has eleven currently recognized species, all native to Central America and northwestern South America.

Acrorchis is a monotypic genus from the orchid family (Orchidaceae), subfamily Epidendroideae, tribe Epidendreae, subtribe Laeliinae. The only species, Acrorchis roseola, is an epiphytic orchid that occurs in Costa Rica and Panama at heights between 900 and 2,500 m. It is clump-forming, magenta orchid, reaching a height of 15 cm. The sepals and petals of its small flowers have distinct lengths and shapes. The base of the lip has a white color on the margins. This orchid is very rare in cultivation.

Crossoglossa is a genus of flowering plants from the orchid family, Orchidaceae. It contains 26 currently recognized species native to Central America and South America, from Nicaragua to Bolivia. Crossoglossa acuminatissima Nog.-Sav. & Carnevali - Colombia Crossoglossa aurantilineata Pupulin - Costa Rica Crossoglossa barfodii Dodson - Ecuador Crossoglossa bifida Dressler - Panama Crossoglossa blephariglottis (Schltr.) Dressler ex Dodson - Panama, Costa Rica Crossoglossa boylei Dodson - Ecuador Crossoglossa caulescens (Lindl.) Dodson - Ecuador Crossoglossa dalessandroi (Dodson) Dodson -

Artorima is a genus of flowering plants from the orchid family, Orchidaceae. At present (May 2014), only one species is known: Artorima erubescens

Cypholoron is a genus of flowering plants from the orchid family, Orchidaceae. It contains only two known species, both native to South America. Cypholoron convexum Schuit. & de Vogel - Venezuela Cypholoron frigidum Dodson & Dressler - Ecuador

Tropidieae is an orchid tribe in the subfamily Epidendroideae.

Nervilieae is an orchid tribe in the subfamily Epidendroideae.

Euryblema is a genus of flowering plants from the orchid family, Orchidaceae. It contains two known species, native to Panama and Colombia. Euryblema anatonum (Dressler) Dressler - Panama Euryblema andreae (P.Ortiz) Dressler - Colombia

Triphoreae is an orchid tribe in the subfamily Epidendroideae.

Phragmipedium lindenii is a species of orchid (family Orchidaceae) found from Venezuela to Ecuador. It is a lithophyte (rock dwelling plant). It is unique among orchids in being actinomorphic (radially symmetrical); the lip being indistinguishable from the other petals, and there being three stamens instead of the usual one or two stamens as in its nearest relative Phragmapedium wallisii which like all other orchids is zygomorphic (bilaterally symmetrical).

Ixyophora is a genus of flowering plants from the orchid family, Orchidaceae. It has 5 known species, all native to South America. Ixyophora aurantiaca (Senghas & G.Gerlach) Dressler - Peru Ixyophora carinata (P.Ortiz) Dressler - Colombia Ixyophora fosterae (Dodson) P.A.Harding - Bolivia Ixyophora luerorum (R.Vásquez & Dodson) P.A.Harding - Bolivia Ixyophora viridisepala (Senghas) Dressler - Ecuador

Guarianthe skinneri (known as Guaria morada in Costa Rica) is a species of orchid. It is native to Costa Rica, from Chiapas to every country in Central America. Its range extends from the borders Southern Mexico to Costa Rica, a country in which it is the national flower. It was referenced as Cattleya skinneri as the earlier name by James Bateman in 1839.

Guarianthe bowringiana is a species of orchid. It is native to Mexico (Chiapas), Belize, Guatemala, and Honduras.

Guarianthe aurantiaca is a species of orchid. It is widespread across much of Mexico, south to Costa Rica. The diploid chromosome number of G. aurantiaca has been determined as 2n = 40. The phananthrenoids orchinol and loroglossol have a phytoalexin effect and reduce the growth of G. aurantiaca seedlings.

Diseae is an orchid tribe in the subfamily Orchidoideae. It was recognized in Genera Orchidacearum volume 2, which was published in 2001. It consisted of 12 genera in five subtribes. In molecular phylogenetic studies that were published after 1999, it was shown that Diseae is paraphyletic over the tribe Orchideae. In a classification of orchids that was published in 2015, Diseae was not recognized, but was instead placed in synonymy under Orchideae. In 2007, a molecular phylogenetic study showed that the large genus Disa (~182 species) is paraphyletic over the small genus Schizodium.

Brachionidium folsomii is a species of orchid native to Central America (Costa Rica, Guatemala, Panama).

Lepanthes papillipetala is a species of orchid found from Mexico (Chiapas) to El Salvador.

Lepanthes pantomima is a species of orchid that occurs from Mexico (Chiapas) to Central America.

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Zamia cunaria (also obset) is a species of plant in the family Zamiaceae. It is endemic to the area of Comarca Guna Yala, Panama.

Stenotyla is a genus of orchids. It contains 9 known species, all native to Central America and southern Mexico. Stenotyla estrellensis (Ames) P.A.Harding - Costa Rica Stenotyla francoi Archila - Guatemala Stenotyla helleri (Fowlie) P.A.Harding - Nicaragua Stenotyla lankesteriana (Pupulin) Dressler - Costa Rica, Panama Stenotyla lendyana (Rchb.f.) Dressler - Oaxaca, Chiapas, Guatemala, El Salvador, Honduras Stenotyla maculata Archila - Guatemala Stenotyla maxillaperta Archila - Guatemala Stenotyla panamensis Pupulin - Panama Stenotyla picta (Rchb.f.) Dressler - Costa Rica, Panama

Scuticaria salesiana is a species of orchid ranging from southeastern Ecuador to Peru.

Daiotyla is a genus of orchids native to Colombia, Panama and Costa Rica. Daiotyla albicans (Rolfe) Dressler - Panama, Costa Rica Daiotyla crassa (Dressler) Dressler - Panama Daiotyla maculata (Garay) Dressler - Colombia Daiotyla xanthina Pupulin & Dressler - Colombia

Barkeria uniflora is a species of orchids. It is found in central Mexico. It is the type species of its genus.

Stanhopea avicula is a species of orchid endemic to Panama.

Sobralia chrysostoma is a species of Sobralia.

Scaphyglottis imbricata is a species of orchid found from Mexico to northern and western South America.

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