The following is a list of species accepted by Plants of the World Online as at November 2024: Common names are mostly those given by David L. Jones, or sometimes (especially for more recently described species or subspecies), those used by Andrew Brown.
Caladenia abbreviata Hopper & A.P.Br. - coastal spider orchid Caladenia actensis D.L.Jones & M.A.Clem. - Canberra spider orchid Caladenia × aestantha Hopper & A.P.Br. – summer spider orchid Caladenia alata R.Br. - fairy caladenia Caladenia alpina R.S.Rogers - alpine caladenia Caladenia ambusta A.P.Br. & G.Brockman - Boranup spider orchid Caladenia amnicola D.L.Jones - Bundarra spider orchid Caladenia amoena D.L.Jones - charming spider orchid Caladenia ampla (D.L.Jones) G.N.Backh. - dainty spider orchid Caladenia amplexans A.S.George Caladenia ancylosa (D.L.Jones) G.N.Backh. - Genoa spider orchid Caladenia angustata Lindl. - white caps Caladenia anthracina D.L.Jones - black-lipped spider orchid Caladenia aperta (Hopper & A.P.Br.) M.A.Clem. Caladenia applanata Hopper & A.P.Br. Caladenia applanata Hopper & A.P.Br.subsp. applanata - broad-lipped spider orchid Caladenia applanata subsp. erubescens Hopper & A.P.Br. - rose spider orchid Caladenia arenaria Fitzg. - sand-hill spider orchid Caladenia arenicola Hopper & A.P.Br. - carousel spider orchid Caladenia argocalla D.L.Jones - white beauty spider orchid Caladenia armata (D.L.Jones) G.N.Backh. Caladenia arrecta Hopper & A.P.Br. - reaching spider orchid Caladenia ashbyae (Hopper & A.P.Br.) M.A.Clem. Caladenia atradenia D.L.Jones, Molloy & M.A.Clem. - bronze fingers (N.Z.) Caladenia atrata D.L.Jones - dark caladenia Caladenia atrochila D.L.Jones Caladenia atroclavia D.L.Jones & M.A.Clem. - black-clubbed spider orchid Caladenia atrovespa (D.L.Jones) G.N.Backh. - thin-clubbed mantis orchid Caladenia attenuata (Brinsley) D.L.Jones - Duramana fingers Caladenia attingens Hopper & A.P.Br. - mantis orchids Caladenia attingens subsp. attingens Hopper & A.P.Br. - forest mantis orchid Caladenia attingens subsp. effusa A.P.Br. & G.Brockman - granite mantis orchid Caladenia attingens subsp. gracillima Hopper & A.P.Br. - small mantis orchid Caladenia audasii R.S.Rogers - McIvor spider-orchid Caladenia aurantiaca (R.S.Rogers) Rupp orange-tip caladenia Caladenia aurulenta (D.L.Jones) R.J.Bates Caladenia australis G.W.Carr - southern spider-orchid Caladenia barbarella Hopper & A.P.Br. - small dragon orchid Caladenia barbarossa Rchb.f. - common dragon orchid Caladenia bartlettii (Hatch) D.L.Jones (N.Z.) Caladenia behrii Schltdl. - pink-lipped spider orchid Caladenia bicalliata R.S.Rogers Caladenia bicalliata R.S.Rogers subsp. bicalliata - dwarf limestone spider orchid Caladenia bicalliata subsp. cleistogama Hopper & A.P.Br. - sandhill spider orchid Caladenia bigeminata A.P.Br. & G.Brockman Caladenia boweri D.L.Jones Mt Canobolas spider orchid Caladenia brachyscapa G.W.Carr - short spider-orchid Caladenia branwhitei (D.L.Jones) G.N.Backh. Caladenia brevisura Hopper & A.P.Br. - short-sepalled spider orchid Caladenia brownii Hopper & A.P.Br. - karri spider orchid Caladenia brumalis D.L.Jones - winter spider orchid Caladenia bruniella (R.J.Bates) R.J.Bates Caladenia brunonis (Endl.) Rchb.f. Caladenia bryceana R.S.Rogers Caladenia bryceana R.S.Rogers subsp. bryceana - dwarf spider orchid Caladenia bryceana subsp. cracens Hopper & A.P.Br. - northern dwarf spider orchid Caladenia busselliana Hopper & A.P.Br. - Bussell's spider orchid Caladenia cadyi (D.L.Jones) G.N.Backh. Caladenia caerulea R.Br. Caladenia caesarea (Domin) M.A.Clem. & Hopper Caladenia caesarea (Domin) M.A.Clem. & Hopper subsp. caesarea - mustard spider orchid Caladenia caesarea subsp. maritima M.A.Clem. & Hopper - cape spider orchid Caladenia caesarea subsp. transiens M.A.Clem. & Hopper - dwarf mustard spider orchid Caladenia cairnsiana F.Muell. - zebra orchid Caladenia × cala Hopper & A.P.Br. Caladenia calcicola G.W.Carr - Bats Ridges spider orchid Caladenia callitrophila D.L.Jones - Berrigan spider orchid Caladenia calyciformis (R.S.Rogers) Hopper & A.P.Br. Caladenia campbellii D.L.Jones - thick-stem caladenia Caladenia campestris (R.J.Bates) R.J.Bates Caladenia capillata (Tate) D.L.Jones - white daddy long legs, wispy spider orchid Caladenia cardiochila Tate - heart-lip spider-orchid Caladenia carnea R.Br. - pink fingers orchid Caladenia catenata (Sm.) Druce - white caladenia, white fingers and lady's fingers Caladenia caudata Nicholls - tailed spider orchid Caladenia chamaephylla D.L.Jones - redleaf fingers Caladenia chapmanii Hopper & A.P.Br. - Chapman's spider orchid Caladenia × eludens Hopper & A.P.Br. Caladenia chlorostyla D.L.Jones, Molloy & M.A.Clem. (N.Z.) Caladenia christineae Hopper & A.P.Br. - Christine's spider orchid Caladenia citrina Hopper & A.P.Br. - Margaret River spider orchid Caladenia clarkiae D.L.Jones - pink caps Caladenia clavescens (D.L.Jones) G.N.Backh. Caladenia clavigera A.Cunn. ex Lindl. - plain-lip spider-orchid Caladenia clavula D.L.Jones - small-clubbed spider orchid Caladenia cleistantha D.L.Jones - closed caladenia Caladenia × coactescens Hopper & A.P.Br. Caladenia coactilis D.L.Jones - thick fingers Caladenia colorata D.L.Jones - coloured spider-orchid, small western spider-orchid, painted spider-orchid Caladenia concinna (Rupp) D.L.Jones & M.A.Clem. - neat spider orchid Caladenia concolor Fitzg. - crimson spider orchid Caladenia conferta D.L.Jones - crowded spider orchid, coast spider orchid Caladenia congesta R.Br. - black-tongue caladenia Caladenia corynephora A.S.George - club-lipped spider orchid Caladenia cracens D.L.Jones 1996 - elegant caladenia Caladenia crebra A.S.George - Arrowsmith spider orchid Caladenia cremna (D.L.Jones) G.N.Backh. - Don's spider orchid Caladenia cretacea (D.L.Jones) G.N.Backh. - Stuart Mill spider orchid Caladenia cristata R.S.Rogers - crested clown orchid Caladenia cruciformis D.L.Jones - crucifix spider orchid Caladenia cruscula Hopper & A.P.Br. - reclining spider orchid Caladenia cucullata Fitzg. - hooded caladenia Caladenia curtisepala D.L.Jones - short-hooded fingers Caladenia decora Hopper & A.P.Br. - Esperance king spider orchid Caladenia denticulata Lindl. Caladenia denticulata Lindl. subsp. denticulata - yellow spider orchid Caladenia denticulata subsp. albicans A.P.Br. & G.Brockman - alabaster spider orchid Caladenia denticulata subsp. rubella A.P.Br. & G.Brockman - clumped spider orchid Caladenia dienema D.L.Jones - windswept spider-orchid Caladenia dilatata R.Br. - green-comb spider-orchid Caladenia dimidia Hopper & A.P.Br. chameleon spider orchid Caladenia dimorpha Fitzg. - spicy caps Caladenia discoidea Lindl. - bee orchid, dancing spider orchid Caladenia dorrienii Domin - Cossack spider orchid Caladenia dorrigoensis D.L.Jones & L.M.Copel. Caladenia douglasiorum (D.L.Jones) G.N.Backh. Caladenia doutchiae O.H.Sarg. 1921 - purple-veined clown orchid Caladenia drakeoides Hopper & A.P.Br. - hinged dragon orchid Caladenia drummondii Benth. - winter spider orchid Caladenia dundasiae Hopper & A.P.Br. - Patricia's spider orchid Caladenia echidnachila Nicholls - fawn spider orchid Caladenia elegans Hopper & A.P.Br. - elegant spider orchid Caladenia × eludens Hopper & A.P.Br. Caladenia emarginata (Lindl.) Rchb.f. - pink enamel orchid Caladena × enigma Hopper & A.P.Br. Caladenia ensata Nicholls - stumpy spider orchid Caladenia × ensigera (D.L.Jones) R.J.Bates - large bayonet spider orchid Caladenia × ericksoniae Nicholls Caladenia × erminea Hopper & A.P.Br. Caladenia erythrochila Hopper & A.P.Br. Lake Muir spider orchid Caladenia erythronema A.P.Br. & G.Brockman - red thread spider orchid Caladenia evanescens Hopper & A.P.Br. - semaphore spider orchid Caladenia excelsa Hopper & A.P.Br. - giant spider orchid Caladenia exilis Hopper & A.P.Br. Caladenia exilis Hopper & A.P.Br. subsp. exilis - salt lake spider orchid Caladenia exilis subsp. vanleeuwenii Hopper & A.P.Br. - Moora spider orchid Caladenia × exoleta Hopper & A.P.Br. Caladenia × exserta Hopper & A.P.Br. Caladenia exstans Hopper & A.P.Br. - pointing spider orchid Caladenia falcata (Nicholls) M.A.Clem. & Hopper - fringed mantis orchid Caladenia ferruginea Nicholls – rusty spider orchid Caladenia filamentosa R.Br. - daddy-long-legs Caladenia filifera Lindl. - blood spider orchid Caladenia fitzgeraldii Rupp - Fitzgerald's spider orchid Caladenia flaccida D.L.Jones - flaccid spider orchid, ironcaps spider orchid Caladenia flava R.Br. Caladenia flava R.Br. subsp. flava - cowslip orchid Caladenia flava subsp. maculata Hopper & A.P.Br. - Kalbarri cowslip orchid Caladenia flava subsp. sylvestris Hopper & A.P.Br. - karri cowslip orchid Caladenia flavovirens G.W.Carr - summer spider-orchid Caladenia flindersica (D.L.Jones) R.J.Bates Caladenia fluvialis A.P.Br. & G.Brockman - Brookton Highway spider orchid Caladenia footeana Hopper & A.P.Br. - crimson spider orchid Caladenia formosa G.W.Carr - large crimson spider orchid, elegant spider orchid Caladenia fragrans (Hopper & A.P.Br.) M.A.Clem. Caladenia fragrantissima D.L.Jones & G.W.Carr - scented spider orchid Caladenia fuliginosa (D.L.Jones) R.J.Bates Caladenia fulva G.W.Carr - tawny spider orchid Caladenia fuscata (Rchb.f.) M.A.Clem. & D.L.Jones - dusky fingers orchid Caladenia fuscolutescens Hopper & A.P.Br. - ochre spider orchid Caladenia gardneri Hopper & A.P.Br. - cherry spider orchid Caladenia gemmata Lindl. – blue china orchid Caladenia georgei Hopper & A.P.Br. - tuart spider orchid Caladenia gertrudae Ostenf. pale china orchid Caladenia gladiolata R.S.Rogers - small bayonet spider orchid, smelly socks Caladenia gracilis R.Br. - musky caps Caladenia gracillima (Rupp) D.L.Jones - pretty fingers Caladenia graminifolia A.S.George - grass-leaved spider orchid Caladenia grampiana (D.L.Jones) G.N.Backh. - Grampians spider orchid Caladenia graniticola (Hopper & A.P.Br.) Hopper & A.P.Br. - Pingaring spider orchid Caladenia granitora Hopper & A.P.Br. - granite spider orchid Caladenia harringtoniae Hopper & A.P.Br. - pink spider orchid Caladenia hastata (Nicholls) Rupp Mellblom's spider-orchid Caladenia heberleana Hopper & A.P.Br. - Heberle's spider orchid Caladenia helvina D.L.Jones - summer spider orchid Caladenia hiemalis Hopper & A.P.Br. - dwarf common spider orchid Caladenia hesperia D.L.Jones & M.A.Clem. Caladenia hildae Pescott & Nicholls - golden caladenia, honey caladenia Caladenia hillmanii D.L.Jones - purple-heart fingers Caladenia hirta Lindl. Caladenia hirta Lindl. subsp. hirta - candy orchid Caladenia hirta subsp. rosea Hopper & A.P.Br. - pink candy orchid Caladenia hoffmanii Hopper & A.P.Br. - Hoffman's spider orchid Caladenia × hopperi J.M.H.Shaw Caladenia hopperiana A.P.Br., R.D.Phillips & G.Brockman Caladenia horistes Hopper & A.P.Br. - cream spider orchid Caladenia huegelii Rchb.f. - grand spider orchid Caladenia × hypata Hopper & A.P.Br. Caladenia × idiastes Hopper & A.P.Br. Caladenia incensum Hopper & A.P.Br. - glistening spider orchid Caladenia incrassata Hopper & A.P.Br. - puppet clown orchid Caladenia infundibularis A.S.George - funnel-web spider orchid Caladenia insularis G.W.Carr French Island spider-orchid Caladenia integra E.Coleman - smooth-lipped spider orchid Caladenia interanea D.L.Jones & R.J.Bates Caladenia interjacens Hopper & A.P.Br. - Walpole spider orchid Caladenia × intermedia (Fitzg.) M.A.Clem. & D.L.Jones Caladenia intuta D.L.Jones & R.J.Bates Caladenia iridescens R.S.Rogers -bronze caps Caladenia isolata (R.J.Bates) D.L.Jones & M.A.Clem. Caladenia lateritica K.W.Dixon & Christenh. – white primrose orchid Caladenia latifolia R.Br. - pink fairies Caladenia × lavandulacea R.S.Rogers Caladenia leptochila Fitzg. Caladenia leptochila subsp. dentata (D.L.Jones) R.J.Bates - toothed spider orchid