Pterostylis roensis M.A.Clem. & D.L.Jones – painted rufous greenhood, dark rustyhood Pterostylis rogersii E.Coleman – curled-tongue shell orchid Pterostylis rubenachii D.L.Jones – Arthur River greenhood Pterostylis rubescens (D.L.Jones) G.N.Backh. – blushing tiny greenhood Pterostylis rubiginosa (D.L.Jones & L.M.Copel.) L.M.Copel. & D.L.Jones Pterostylis rufa R.Br. - red rustyhood Pterostylis russellii T.E.Hunt – Russell's greenhood Pterostylis sanguinea D.L.Jones & M.A.Clem. – red-banded greenhood, dark-banded greenhood Pterostylis sargentii C.R.P.Andrews – frog greenhood Pterostylis saxicola D.L.Jones & M.A.Clem. – Sydney plains rustyhood, Sydney plains greenhood Pterostylis saxosa (D.L.Jones & C.J.French) D.L.Jones & C.J.French Pterostylis saxum (D.L.Jones & C.J.French) D.L.Jones & C.J.French Pterostylis scabra Lindl. – green-veined shell orchid Pterostylis scabrella (D.L.Jones & C.J.French) D.L.Jones & C.J.French Pterostylis scabrida Lindl. – rough greenhood Pterostylis scapula (D.L.Jones) D.L.Jones Pterostylis scitula D.L.Jones & C.J.French – elegant snail orchid Pterostylis scoliosa D.L.Jones – small kinked greenhood Pterostylis setifera M.A.Clem. – bristly rustyhood, sikh's whiskers, Pterostylis silvicultrix (F.Muell.) D.L.Jones & M.A.Clem. – Chatham Island greenhood, tutukiwi (N.Z.) Pterostylis sigmoidea (D.L.Jones & C.J.French) D.L.Jones & C.J.French Pterostylis silvicultrix (F.Muell.) D.L.Jones & M.A.Clem. Pterostylis simulans R.J.Bates Pterostylis sinuata (D.L.Jones) Janes & Duretto – Northampton midget greenhood, western swan greenhood Pterostylis smaragdyna D.L.Jones & M.A.Clem. – emerald-lip leafy greenhood Pterostylis spatalium J.M.H.Shaw Pterostylis spathulata M.A.Clem. – spoon-lipped rufous greenhood, Moora rustyhood Pterostylis spissa (D.L.Jones) G.N.Backh. – cygnet greenhood Pterostylis splendens D.L.Jones & M.A.Clem. (New Caledonia) Pterostylis squamata R.Br. – southern rustyhood, ruddyhood Pterostylis stenochila D.L.Jones – narrow-lip leafy greenhood Pterostylis stenosepala (D.L.Jones) G.N.Backh. – narrow-sepalled leafy greenhood Pterostylis striata Fitzg. – mainland striped greenhood Pterostylis stricta Clemesha & B.Gray – northern greenhood Pterostylis subtilis D.L.Jones – thin mountain greenhood Pterostylis tanypoda D.L.Jones, Molloy & M.A.Clem. – swan greenhood (N.Z.) Pterostylis tasmanica D.L.Jones – small bearded greenhood Pterostylis taurus M.A.Clem. & D.L.Jones – little bull orchid Pterostylis telmata D.L.Jones & C.J.French Pterostylis tenuicauda Kraenzl. (New Caledonia) Pterostylis tenuis (D.L.Jones) G.N.Backh. – smooth leafy greenhood Pterostylis tenuissima Nicholls – swamp greenhood Pterostylis terminalis {D.L.Jones & R.J.Bates) J.M.H.Shaw Pterostylis thulia (D.L.Jones) Janes & Duretto Pterostylis timorensis Schuit. & J.J.Verm. (East Timor) Pterostylis timothyi (D.L.Jones) Janes & Duretto – brittle snail orchid, fawn snail orchid Pterostylis torquata D.L.Jones – collared greenhood Pterostylis × toveyana Ewart & Sharman Pterostylis tristis Colenso – midget greenhood (N.Z.) Pterostylis trullifolia Hook.f. – trowel-leaved greenhood (N.Z.) Pterostylis truncata Fitzg. – brittle greenhood, little dumpies Pterostylis tryphera (D.L.Jones & C.J.French) D.L.Jones & C.J.French Pterostylis tunstallii D.L.Jones & M.A.Clem. – Tunstall's greenhood, granite