(Kraenzl.) Hallé Dendrobium sarcochilus var. sarcochilus Dendrobium sarcodes Schltr. Dendrobium sarcodes var. majus Schltr. Dendrobium sarcodes var. sarcodes Dendrobium sarcophyllum Schltr. Dendrobium sarmentosum Rolfe Dendrobium savannicola Schltr. Dendrobium sayeri Schltr. Dendrobium scabrifolium Ridl. Dendrobium scabrilingue Lindl. Dendrobium schettleri Cootes Dendrobium schinzii Rolfe Dendrobium schistoglossum Schltr. Dendrobium schneiderae F.M.Bailey – moon orchid Dendrobium schneiderae var. major Rupp Dendrobium schneiderae var. schneiderae Dendrobium schoeninum Lindl. – common pencil orchid Dendrobium schouteniense J.J.Sm. Dendrobium schuetzei Rolfe Dendrobium schulleri J.J.Sm. Dendrobium schwartzkopfianum Kraenzl. Dendrobium schweinfurthianum A.D.Hawkes & A.H.Heller Dendrobium scirpoides Schltr. Dendrobium scopa Lindl. Dendrobium scopula Schltr. Dendrobium scoriarum W.W.Sm. Dendrobium scorpionis Ormerod Dendrobium scotiiforme J.J.Sm. Dendrobium sculptum Rchb.f.. Dendrobium secundum (Blume) Lindl. Dendrobium sematoglossum Schltr. Dendrobium senile C.S.P.Parish & Rchb.f. Dendrobium sepikanum Schltr. Dendrobium septemcostulatum J.J.Sm. Dendrobium seranicum J.J.Sm. Dendrobium serena-alexianum J.J.Wood & A.L.Lamb Dendrobium serratilabium L.O.Williams Dendrobium serratipetalum Schltr. Dendrobium sessanicum Apang Dendrobium setifolium Ridl. Dendrobium setosum Schltr. Dendrobium shearmanii Schuit. & de Vogel Dendrobium shiraishii T.Yukawa & M.Nishida Dendrobium shiraishii Z.L.Chen, S.J.Zeng & Duan Dendrobium shompenii B.K.Sinha & P.S.N.Rao Dendrobium shamrii Ormerod Dendrobium siberutense J.J.Sm. Dendrobium sibilense Ormerod Dendrobium sibuyanense Lubag-Arquiza Dendrobium sidikalangense Dauncey Dendrobium siewhongii (P.O'Byrne) J.M.H.Shaw Dendrobium signatum Rchb.f. Dendrobium similissimum Ormerod Dendrobium simondii Gagnep. Dendrobium simplex J.J.Sm. Dendrobium simplicicaule J.J.Sm. Dendrobium singaporense A.D.Hawkes & A.H.Heller Dendrobium singkawangense J.J.Sm. Dendrobium singulare Ames & C.Schweinf. Dendrobium sinianum P.O'Byrne Dendrobium sinominutiflorum S.C.Chen, J.J.Wood & H.P.Wood Dendrobium sinsuronense J.J.Wood Dendrobium sinuosum Ames Dendrobium sirophyton Schuit. & de Vogel Dendrobium sitanalae J.J.Sm. Dendrobium sladei J.J.Wood & P.J.Cribb Dendrobium sleumeri Ormerod Dendrobium smillieae F.Muell. – bottlebrush orchid Dendrobium smithianum Schltr. Dendrobium solomonense (Carr) Schuit. & Peter B.Adams Dendrobium somae Hayata Dendrobium soriense Howcroft Dendrobium sororium Schltr. Dendrobium spatella Rchb.f. Dendrobium spathilabium Ames & C.Schweinf. Dendrobium spathilingue J.J.Sm. Dendrobium spathipetalum J.J.Sm. Dendrobium spathulatum L.O.Williams Dendrobium × speciokingianum T.Lawr. Dendrobium speciosum Sm. – rock orchids Dendrobium speciosum var. blackdownense Peter B.Adams Dendrobium speciosum var. boreale Peter B.Adams, Jac.M.Burke & S.D.Lawson Dendrobium speciosum var. capricornicum Clemesha – Capricorn rock orchid Dendrobium speciosum var. carnarvonense Peter B.Adams – gorge pink rock orchid Dendrobium speciosum var. curvicaule F.M.Bailey – rainforest rock orchid Dendrobium speciosum var. grandiflorum F.M.Bailey – golden king orchid Dendrobium speciosum var. hillii Mast. – pale king orchid Dendrobium speciosum var. pedunculatum Clemesha – dwarf rock orchid Dendrobium speciosum var. speciosum – Sydney rock orchid, rock lily Dendrobium speckmaieri Fessel & Lückel Dendrobium spectabile (Blume) Miq. Dendrobium spectatissimum Rchb.f. Dendrobium speculum J.J.Sm. Dendrobium spenceanum Ormerod Dendrobium sphenochilum