Two New White-Flowered Species of Sobralia (Orchidaceae) from Costa Rica von Dressler, Robert L, Pupulin, Franco

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Phylogenetic systematics of subtribe Spiranthinae (Orchidaceae: Orchidoideae: Cranichideae) based on nuclear and plastid DNA sequences of a nearly complete generic sample von Salazar, Gerardo A, Batista, João A N, Cabrera, Lidia I, van Den Berg, Cássio, Whitten, W Mark, Smidt, Eric C, Buzatto, Cristiano Roberto, Singer, Rodrigo B, Gerlach, Günter, Jiménez-Machorro, Rolando, Radins, José A, Insaurralde, Irma S, Guimarães, Leonardo R S, de Barros, Fábio, Tobar, Francisco, Linares, José L, Mújica, Ernesto, Dressler, Robert L, Blanco, Mario A, Hágsater, Eric, Chase, Mark W

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A phylogenetic study of Laeliinae (Orchidaceae) based on combined nuclear and plastid DNA sequences von van den Berg, Cássio, Higgins, Wesley E., Dressler, Robert L., Whitten, W. Mark, Soto-Arenas, Miguel A., Chase, Mark W.

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Sobralia turrialbina (Orchidaceae: Sobralieae): Long Cultivated and Now Described von Dressler, Robert L, Acuña, Marco, Pupulin, Franco

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Stanhopeinae Mesoamericanae. I von Gerlach, Günter, Dressler, Robert L.

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Guarianthe, a generic name for the “Cattleya” skinneri complex von Dressler, Robert L., Higgins, Wesley E.

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Some new Sobraliae from Costa Rica and Panama von Dressler, Robert L., Bogarín, Diego

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A Nomenclatural Note on Cypripedium humboldtii (Orchidaceae: Cypripedioideae) von Pupulin, Franco, Dressler, Robert L

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Stellilabium erratum, a comedy of blunders von Dressler, Robert L.

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New species and combinations in Costa Rican orchids. II von Dressler, Robert L.

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The major sections or groups within Sobralia, with four new species from Panama and Costa Rica, S. Crispissima, S. Gloriana, S. Mariannae And S. Nutans von Dressler, Robert L.

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Sobralia quinata, a new species in Section Globosae von Dressler, Robert L.

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Validation of four Malaxis species (Orchidaceae) von Dressler, Robert L.

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A new species of Ornithocephalus (Orchidaceae) from Panama von Pupulin, Franco, Dressler, Robert L.

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Elleanthus ligularis, a name for a relatively common "new" sepecies of Elleantus sect. chloidelyna von L. Dressler, Robert, Bogarín, Diego

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A revision of the Mexican and Central American species of Vanilla plumier ex miller with a characterization of their its region of the nuclear ribosomal DNA von Soto Arenas, Miguel A., Dressler, Robert L.

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A NEW AND BIZARRE SPECIES IN THE GENUS CONDYLAGO (ORCHIDACEAE: PLEUROTHALLIDINAE) FROM PANAMA von Dressler, Robert L, Bogarín, Diego

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Oncidium zelenkoanum (Orchidaceae), an unusual new species from Panama von Dressler, Robert L., Pupulin, Franco

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SOME PROBLEMS IN TRICHOPILIA (ORCHIDACEAE: ONCIDIINAE) WITH TWO NEW SPECIES OF MODEST FLOWER SIZE von Dressler, Robert L, Pupulin, Franco

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Phylogenetic relationships of Scaphyglottis and related genera (Laeliinae: Orchidaceae) based on nrDNA ITS sequence data von Dressler, Robert L., Whitten, W. Mark, Williams, Norris H.

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