antler orchid Dendrobium nitidicolle W.Hill Dendrobium nitidiflorum J.J.Sm. Dendrobium nitidissimum Rchb.f. Dendrobium niveobarbatum Cootes Dendrobium niveopurpureum J.J.Sm. Dendrobium njongense Schltr. Dendrobium nobile Lindl. Dendrobium nodosum Dalzell Dendrobium noesae J.J.Sm. Dendrobium normanbyense P.J.spence Dendrobium nothofageti (M.A.Clem & D.L.Jones) Schuit. & de Vogel Dendrobium nothofagicola T.M.Reeve Dendrobium nubigenum Schltr. Dendrobium nudum (Blume) Lindl. Dendrobium numaldeorii C.Deori, Hynn. & Phukan Dendrobium nummularia Schltr. Dendrobium nycteridoglossum Rchb.f. O Dendrobium obcordatum J.J.Sm. Dendrobium obliquum Schltr. Dendrobium oblongimentum Hosok. & Fukuy. Dendrobium obovatum Schltr. Dendrobium obreniforme Schuit. & Peter B.Adams Dendrobium obrienianum Kraenzl. Dendrobium obscureauriculatum Gilli Dendrobium obtusum Schltr. Dendrobium obyrnei (W.K.Harris) Schuit. & de Vogel Dendrobium ochraceum De Wild. Dendrobium ochranthum Schltr. Dendrobium ochreatum Lindl. Dendrobium ochroleucum Teijsm. & Binn. Dendrobium ochthochilum P.O'Byrne & J.J.Verm. Dendrobium odoardii Kraenzl. Dendrobium odontopus Schltr. Dendrobium odoratum Schltr. Dendrobium officinale Kimura & Migo Dendrobium okabeanum Tuyama Dendrobium okinawense Hatus. & Ida Dendrobium oliganthum Schltr. Dendrobium oligophyllum Gagnep. Dendrobium olivaceum J.J.Sm. Dendrobium omissum Schuit. & Peter B.Adams Dendrobium opaciforme J.J.Sm. Dendrobium opilionites Schltr. Dendrobium oppositifolium (Kraenzl.) N.Hallé Dendrobium optimuspatruus P.O'Byrne & J.J.Verm. Dendrobium orbilobulatum Fessel & Lückel Dendrobium ordinatum J.J.Sm. Dendrobium oreodoxa Schltr. Dendrobium orientale J.J.Sm. Dendrobium ornithoflorum Ames Dendrobium osmophytopsis Kraenzl. Dendrobium ostrinum J.J.Sm. Dendrobium ostrinum var. ochroleucum J.J.Sm. Dendrobium ostrinum var. ostrinum Dendrobium otaguroanum A.D.Hawkes Dendrobium ou-hinnae Schltr. Dendrobium ovatifolium Ridl. Dendrobium ovatipetalum J.J.Sm. Dendrobium ovatum (L.) Kraenzl. Dendrobium ovipostoriferum J.J.Sm. Dendrobium oxychilum Schltr. P Dendrobium paathii J.J.Sm. Dendrobium pachyanthum Schltr. Dendrobium pachyglossum C.S.P.Parish & Rchb.f. Dendrobium pachyphyllum (Kuntze) Bakh.f. Dendrobium pachystele Schltr. Dendrobium pachythrix T.M.Reeve & P.Woods Dendrobium pacificum M.A.Clem. & P.J.Spence Dendrobium padangense Schltr. Dendrobium × pahangense Carr Dendrobium paitanense J.J.Wood Dendrobium palawense Schltr. Dendrobium pallidum (Chadim) M.A.Clem. & P.J.Spence Dendrobium palpebrae Lindl. Dendrobium pandaneti Ridl. Dendrobium panduratum Lindl. Dendrobium panduratum ssp. panduratum Dendrobium panduratum ssp. villosum Gopalan & A.N.Henry Dendrobium panduriferum Hook.f. Dendrobium pangunaense (Ormerod) Schuit. & Peter B.Adams Dendrobium pantherinum Schltr. Dendrobium papilio Loher Dendrobium papillilabium J.J.Sm. Dendrobium papuanum J.J.Sm. Dendrobium papyraceum J.J.Sm. Dendrobium paradoxum Teijsm. & Binn. Dendrobium paragnomus Ormerod Dendrobium parciflorum Rchb.f. ex Lindl. Dendrobium parcum Rchb.f. Dendrobium pardalinum Rchb.f. Dendrobium parietiforme J.J.Sm. Dendrobium parishii H.Low Dendrobium parnatanum Cavestro Dendrobium parthenium Rchb.f. Dendrobium particolor Ormerod Dendrobium parvifolium J.J.Sm. Dendrobium parvilobum Schltr. Dendrobium parvilobum Rolfe Dendrobium paspalifolium J.J.Sm. Dendrobium patentifiliforme Hosok. Dendrobium patentilobum Ames & Schweinf. Dendrobium patentissimum J.J.Sm. Dendrobium patulum Schltr. Dendrobium paucilaciniatum J.J.Sm. Dendrobium pectinatum Finet Dendrobium peculiare J.J.Sm. Dendrobium pedicellatum J.J.Sm. Dendrobium pedilochilum Schltr. Dendrobium peguanum Lindl. Dendrobium pemae Schltr.