Hook.f. Dendrobium grastidioides J.J.Sm. Dendrobium gratiosissimum Rchb.f. Dendrobium greenianum P.J.Cribb & B.A.Lewis Dendrobium gregulus Seidenf. Dendrobium griffithianum Lindl. Dendrobium × grimesii C.T.White & Summerh. Dendrobium grootingsii J.J.Sm. Dendrobium grossum Schltr. Dendrobium guamense Ames Dendrobium guerreroi Ames & Quisumb. Dendrobium guibertii Carrière Dendrobium gunnarii P.S.N.Rao Dendrobium guttenbergii J.J.Sm. Dendrobium guttulatum Schltr. Dendrobium gynoglottis Carr H Dendrobium habbemense P.Royen Dendrobium hainanense Rolfe Dendrobium halmaheirense J.J.Sm. Dendrobium hamadryas Schltr. Dendrobium hamaticalcar J.J.Wood & Dauncey Dendrobium hamatum Rolfe Dendrobium hamiferum P.J.Cribb Dendrobium hampelii Cootes & Boos Dendrobium hancockii Rolfe Dendrobium hansmeyerense Ormerod Dendrobium hartleyi Ormerod Dendrobium harveyanum Rchb.f. Dendrobium hasseltii (Blume) Lindl. Dendrobium hastilabium Kraenzl. Dendrobium hawkesii A.H.Heller Dendrobium hekouense Z.J.Liu & L.J.Chen Dendrobium helix P.J.Cribb Dendrobium hellerianum A.D.Hawkes Dendrobium hellwigianum Kraenzl. ex Warb. Dendrobium hemimelanoglossum Guillamin Dendrobium hendersonii A.D.Hawkes & A.H.Heller Dendrobium henryi Schltr. Dendrobium hentyanum Ormerod Dendrobium heokhuii P.O'Byrne & J.J.Wood Dendrobium hepaticum J.J.Sm. Dendrobium herbaceum Lindl. Dendrobium hercoglossum Rchb.f. Dendrobium herpetophytum Schltr. Dendrobium hesperis (Seidenf.) Schuit. & Peter B.Adams Dendrobium heterobulbum Schltr. Dendrobium heterocarpum Wall. ex Lindl. Dendrobium heteroglossum Schltr. Dendrobium heteroideum Blume Dendrobium heyneanum Lindl. Dendrobium hippocrepiferum Schltr. Dendrobium hirsutifolium J.J.Wood Dendrobium hirtulum Rolfe Dendrobium hispidum A.Rich. Dendrobium histrionicum (Richb.f.) Schltr. Dendrobium hkinhumense Ormerod & C.S.Kumar Dendrobium hodgkinsonii Rolfe Dendrobium hoftii Ormerod Dendrobium hollandianum J.J.Sm. Dendrobium holochilum Schltr. Dendrobium homochromum J.J.Sm. Dendrobium homoglossum Schltr. Dendrobium hooglandianum Ormerod Dendrobium hookerianum Lindl. Dendrobium hooveri Ormerod Dendrobium hornei S.Moore Dendrobium horstii J.J.Sm. Dendrobium hosei Ridl. Dendrobium hughii Rchb.f. Dendrobium humboldtense J.J.Sm. Dendrobium humicolle Schltr. Dendrobium huttonii Rchb.f. Dendrobium hydrophilum J.J.Sm. Dendrobium hydrophilum var. hydrophilum Dendrobium hydrophilum var. morotaiense J.J.Sm. Dendrobium hymenanthum Rchb.f. Dendrobium hymenocentrum Schltr. Dendrobium hymenopetalum Schltr. Dendrobium hymenophyllum Lindl. Dendrobium hymenopterum Hook.f. Dendrobium hyperanthiflorum Kraenzl. Dendrobium hypopogon Kraenzl. I Dendrobium ianthinum Schuit. & Puspit. Dendrobium iboense Schltr. Dendrobium igneoniveum J.J.Sm. Dendrobium igneum J.J.Sm. Dendrobium imbricatum J.J.Sm. Dendrobium imitans Schltr. Dendrobium imitator J.J.Wood Dendrobium implicatum Fukuy. Dendrobium inamoenum Kraenzl. Dendrobium inauditum Rchb.f. Dendrobium inconspicuum J.J.Sm. Dendrobium inconstans J.J.Sm. Dendrobium incumbens Schltr. Dendrobium incurvatum Schltr. Dendrobium incurvociliatum Schltr. Dendrobium incurvum Lindl. Dendrobium indivisum (Blume) Miq. Dendrobium indivisum var. fuscum P.O'Byrne Dendrobium indivisum var. indivisum Dendrobium indivisum var. lampangense Rolfe Dendrobium indivisum var. pallidum Seidenf. Dendrobium indragiriense Schltr. Dendrobium inflatum Rolfe Dendrobium informe J.J.Sm. Dendrobium infortunatum J.J.Sm. Dendrobium infractum J.J.Sm. Dendrobium infundibulum Lindl. Dendrobium ingratum J.J.Sm. Dendrobium insigne (Blume) Rchb.f. ex Miq. – tartan mangrove orchid Dendrobium insigne var. insigne Dendrobium insigne var. subsimplex J.J.Sm. Dendrobium integrilabium J.J.Sm. Dendrobium integrum Schltr. Dendrobium integrum subsp.