The following is a list of Thelymitra species accepted by the Index Kewensis at May 2018.
Thelymitra abrupta R.J.Bates 2016 (S.A.) Thelymitra adorata Jeanes 2011 – praying sun orchid (N.S.W.) Thelymitra aemula Cheeseman 1919 – gumland sun orchid (N.Z.) Thelymitra aggericola D.L.Jones 1999 – bleak sun orchid (Tas.) Thelymitra albiflora Jeanes 2004 – white sun orchid (S.A.) Thelymitra alcockiae Jeanes 2013 – Kath's sun orchid (Vic., S.A.) Thelymitra alpicola Jeanes 2012 – alpine striped sun orchid (N.S.W., Vic.) Thelymitra alpina Jeanes 2013 – mountain sun orchid (A.C.T., N.S.W., Vic.) Thelymitra angustifolia R.Br. 1810 – long-leaved sun orchid (N.S.W., Qld.) Thelymitra antennifera (Lindl.) Hook.f. 1858 – rabbit-eared sun orchid, lemon-scented orchid, vanilla orchid (W.A., S.A., Vic.) Thelymitra apiculata (A.S.George) M.A.Clem. & D.L.Jones 1989 – Cleopatra's needles (W.A.) Thelymitra arenaria Lindl. 1840 – forest sun orchid (N.S.W., A.C.T., Vic., Tas., S.A.) Thelymitra aristata Lindl. 1840 – great sun orchid (N.S.W., Vic., Tas., S.A.) Thelymitra atronitida Jeanes – black-hooded sun orchid 2000 (N.S.W., Vic., Tas.) Thelymitra azurea R.S.Rogers 1917 – azure sun orchid (Vic.) Thelymitra basaltica Jeanes – grasslands sun orchid 2004 (Vic.) Thelymitra batesii Jeanes 2004 – plump sun orchid (S.A.) Thelymitra benthamiana Rchb.f. 1871 – blotched sun orchid, leopard sun orchid (W.A., S.A., Vic., Tas.) Thelymitra bracteata J.Z.Weber ex Jeanes 2004 – leafy sun orchid, large-bracted sun orchid (S.A., Tas., Vic.) Thelymitra brevifolia Jeanes 2004 – peppertop sun orchid, short-leaf sun orchid (N.S.W., A.C.T., Vic. Tas., S.A.) Thelymitra campanulata Lindl. 1840 – bell-shaped thelymitra, shirt orchid (W.A.) Thelymitra canaliculata R.Br. 1810 – flushed sun orchid, blue sun orchid (W.A.) Thelymitra carnea R.Br. 1810 – tiny sun orchid (Qld., N.S.W., Vic., Tas., N.Z.) Thelymitra × chasmogama R.S.Rogers 2011 – globe-hood sun orchid (S.A., Vic.) Thelymitra circumsepta Fitzg. 1878 – naked sun orchid (N.S.W., Vic., S.A., Tas.) Thelymitra colensoi Hook.f. 1864 – Colenso's sun orchid (N.Z.) Thelymitra cornicina Rchb.f. 1871 – lilac sun orchid (W.A.) Thelymitra corrugata R.J.Bates 2013 (S.A.) Thelymitra crenulata R.J.Bates 2010 (S.A.) Thelymitra crinita Lindl. 1840 – long-haired thelymitra, blue lady orchid (W.A.) Thelymitra cucullata Rupp 1946 – swamp sun orchid (W.A.) Thelymitra cyanapicata Jeanes 2004 – dark-tipped sun orchid (Vic.) Thelymitra cyanea (Lindl.) Benth. 1873 – veined sun orchid (N.S.W., Vic., Tas., S.A., N.Z.) Thelymitra dedmaniarum R.S.Rogers 1938 – cinnamon sun orchid (W.A.) Thelymitra × dentata L.B.Moore 1968 (N.Z.) Thelymitra epipactoides F.Muell. 1866 – metallic sun orchid (Vic., S.A.) Thelymitra erosa D.L.Jones & M.A.Clem. 1998 – striped sun orchid (Tas.) Thelymitra exigua Jeanes 2004 – short sun orchid (S.A.) Thelymitra flexuosa Endl. 1839 – twisted sun orchid (W.A., S.A., Vic., Tas.) Thelymitra forbesii Ridl. in H.O.Forbes 1885 (East Timor) Thelymitra formosa Colenso 1884 (N.Z.) Thelymitra fragrans D.L.Jones & M.A.Clem. 1988 – fragrant sun orchid (Qld., N.S.W.) Thelymitra frenchii Jeanes 2004 – scarp sun orchid, Jarrahdale sun orchid (W.A.) Thelymitra fuscolutea R.Br. 1810 – chestnut sun orchid (W.A.) Thelymitra glaucophylla R.J.Bates ex Jeanes 2013 (S.A.) Thelymitra graminea Lindl. 1840 – shy sun orchid (W.A.) Thelymitra grandiflora Fitz. 1882 – giant sun orchid (S.A.) Thelymitra grandiflora subsp. exposa R.J.Bates 2014 (S.A.) Thelymitra grandiflora Fitz. subsp. grandiflora 1882 (S.A.) Thelymitra granitora D.L.Jones & M.A.Clem. 1998 – coastal granite sun orchid, coastal sun orchid (W.A.) Thelymitra gregaria D.L.Jones & M.A.Clem. 1998 – clumping sun orchid (Vic.) Thelymitra hatchii L.B.Moore 1968 (N.Z.) Thelymitra hiemalis D.L.Jones & M.A.Clem. 1998 – winter sun orchid (Vic.) Thelymitra holmesii Nicholls 1932 – plain sun orchid (W.A., S.A., Vic., Tas.) Thelymitra hygrophila R.J.Bates 2010 – blue star sun orchid (S.A.) Thelymitra imbricata D.L.Jones & M.A.Clem. 1998 – broad sun orchid (Tas.) Thelymitra improcera D.L.Jones & M.A.Clem. – coastal sun orchid 1998 (Vic., Tas.) Thelymitra incurva Jeanes 2012 – coastal striped sun orchid (Vic., N.S.W.) Thelymitra inflata Jeanes 2004 inflated sun orchid (Vic., S.A., Tas.) Thelymitra irregularis Nicholls 1946 – crested sun orchid (Vic., N.S.W., Tas.) Thelymitra ixioides Sw., 1800 – spotted sun orchid (Qld., N.S.W., Vic., Tas., S.A., N.Z.) Thelymitra jacksonii Hopper & A.P.Br. ex jeanes 2006 (W.A.) Thelymitra javanica Blume 1825 (Indonesia and the Philippines) Thelymitra jonesii Jeanes 2001 – skyblue sun orchid (Tas.) Thelymitra juncifolia Lindl.