This list includes all eucalypt names, those taxa accepted in EUCLID and previously published names.

Eucalyptus cadens J.D.Briggs & Crisp
Eucalyptus cadophora (K.D.Hill & L.A.S.Johnson) Brooker subsp. cadophora = Corymbia cadophora subsp. cadophora
Eucalyptus cadophora subsp. pliantha = Corymbia cadophora subsp. pliantha
Eucalyptus caerulescens Naudin = E. melliodora
Eucalyptus caesia Benth. subsp. caesia
Eucalyptus caesia subsp. magna Brooker & Hopper
Eucalyptus cajuputea Miq. = E. odorata
Eucalyptus calcareana Boomsma
Eucalyptus calcicola Brooker subsp. calcicola
Eucalyptus calcicola subsp. unita D.Nicolle
Eucalyptus calcicultrix (Miq.) Blakely = E. porosa
Eucalyptus calcicultrix var. obscura Blakely Image of type specimen held at CANB = reputed hybrid E. albens × E. porosa
Eucalyptus calcicultrix var. porosa (Miq.) Blakely = E. porosa
Eucalyptus caleyi Maiden subsp. caleyi
Eucalyptus caleyi subsp. ovendenii L.A.S.Johnson & K.D.Hill
Eucalyptus californica Kinney   nom. dub. = presumed hybrid.
Eucalyptus caliginosa Blakely & McKie
Eucalyptus callanii Blakely = reputed hybrid E. globoidea × E. pauciflora subsp. pauciflora
Eucalyptus calophylla Lindl. = Corymbia calophylla
Eucalyptus calophylla R.Br. nom. superfl. [nom. illeg.]
Eucalyptus calophylla var. hawkeyi Blakely = reputed hybrid C. calophylla × C. ficifolia
Eucalyptus calophylla var. maideniana Hochr. = Corymbia calophylla
Eucalyptus calophylla var. multiflora Guilf. [nom. illeg.]
Eucalyptus calophylla var. parviflora Blakely = Corymbia calophylla
Eucalyptus calophylla var. rosea Guilf. = ? presumed hybrid
Eucalyptus calophylla var. rubra Guilf.   nom. dub. = ? presumed hybrid
Eucalyptus calophylla var. typica Hochr. [nom. illeg.]
Eucalyptus calycogona Turcz. subsp. calycogona
Eucalyptus calycogona subsp. spaffordii D.Nicolle
Eucalyptus calycogona subsp. trachybasis D.Nicolle
Eucalyptus calycogona var. celastroides (Turcz.) Maiden = E. celastroides subsp. celastroides
Eucalyptus calycogona var. gracilis (F.Muell.) Maiden = E. gracilis F.Muell.
Eucalyptus calycogona var. staffordii Blakely = E. calycogona subsp. spaffordii
Eucalyptus calyculata Maiden [nom. illeg.]
Eucalyptus calyerup McQuoid & Hopper
Eucalyptus camaldulensis Dehnh. var. camaldulensis
Eucalyptus camaldulensis subsp. simulata Brooker & Kleinig
Eucalyptus camaldulensis var. acuminata (Hook.) Blakely = E. camaldulensis var. camaldulensis
Eucalyptus camaldulensis var. brevirostris (Miq.) Blakely = E. camaldulensis var. camaldulensis
Eucalyptus camaldulensis var. obtusa Blakely
Eucalyptus camaldulensis var. pendula Blakely & Jacobs = E. camaldulensis var. obtusa
Eucalyptus camaldulensis var. subcinerea Blakely = E. camaldulensis var. obtusa
Eucalyptus cambageana Maiden
Eucalyptus cambagei H.Deane & Maiden = E. goniocalyx subsp. goniocalyx
Eucalyptus cambagei var. pallens (Benth.) H.Deane & Maiden = E. nortonii
Eucalyptus cameronii Blakely & McKie
Eucalyptus camfieldii Maiden
Eucalyptus campanifructa Blakely Image of type specimen held at CANB = reputed hybrid ? E. intertexta × E. pilligaensis
Eucalyptus campanulata R.T.Baker & H.G.Sm. = E. andrewsii subsp. campanulata
Eucalyptus campaspe S.Moore
Eucalyptus camphora R.T.Baker subsp. camphora
Eucalyptus camphora subsp. humeana L.A.S.Johnson & K.D.Hill
Eucalyptus camphora subsp. relicta L.A.S.Johnson & K.D.Hill = E. camphora subsp. camphora
Eucalyptus canaliculata Maiden
Eucalyptus candida (K.D.Hill & L.A.S. Johnson) Brooker = Corymbia candida
Eucalyptus canescens D.Nicolle subsp. canescens
Eucalyptus canescens subsp. beadellii D.Nicolle
Eucalyptus cannoni R.T.Baker   orth. var.
Eucalyptus cannonii R.T.Baker = E. macrorhyncha subsp. cannonii
Eucalyptus canobolensis (L.A.S.Johnson & K.D.Hill) J.T.Hunter
Eucalyptus capillosa Brooker & Hopper subsp. capillosa
Eucalyptus capillosa subsp. polyclada Brooker & Hopper
Eucalyptus capitanea L.A.S.Johnson & K.D.Hill = E. ceratocorys
Eucalyptus capitellata Sm.
Eucalyptus capitellata var. latifolia Benth. = E. baxteri
Eucalyptus capricornia D.J.Carr & S.G.M.Carr = Corymbia dichromophloia
Eucalyptus captiosa Brooker & Hopper
Eucalyptus carnabyi Blakely & H.Steedman ex Blakely
Eucalyptus carnea C.A.Gardner   orth. error [nom. illeg.] = E. carnei
Eucalyptus carnea R.T.Baker
Eucalyptus carnei C.A.Gardner
Eucalyptus castrensis K.D.Hill see Notes under E. viridis
Eucalyptus celastroides Turcz. subsp. celastroides
Eucalyptus celastroides subsp. virella Brooker
Eucalyptus centralis D.J.Carr & S.G.M.Carr = Corymbia terminalis
Eucalyptus cephalocarpa Blakely
Eucalyptus ceracea Brooker & Done
Eucalyptus cerasiformis Brooker & Blaxell
Eucalyptus ceratocorys (Blakely) L.A.S.Johnson & K.D.Hill
Eucalyptus cernua Brooker & Hopper
Eucalyptus chapmaniana Cameron
Eucalyptus chartaboma D.Nicolle
Eucalyptus chartacea (K.D.Hill & L.A.S.Johnson) Brooker = Corymbia chartacea
Eucalyptus chippendalei D.J.Carr & S.G.M.Carr = Corymbia chippendalei
Eucalyptus chisholmii Maiden & Blakely = reputed hybrid E. piperita × E. racemosa subsp. rossii
Eucalyptus chloroclada (Blakely) L.A.S.Johnson & K.D.Hill
Eucalyptus chlorophylla Brooker & Done
Eucalyptus chrysantha Blakely & H.Steedman = reputed hybrid E. preissiana subsp. preissiana × E. sepulcralis
Eucalyptus cinerea Benth. subsp. cinerea
Eucalyptus cinerea subsp. triplex (L.A.S.Johnson & K.D.Hill) Brooker, Slee & J.D.Briggs
Eucalyptus cinerea var. multiflora Maiden = E. cephalocarpa
Eucalyptus cinerea var. nova-anglica (H.Deane & Maiden) Maiden = E. nova-anglica
Eucalyptus citriodora Hook. = Corymbia citriodora
Eucalyptus cladocalyx F.Muell.
Eucalyptus clandestina A.R.Bean = Corymbia clandestina
Eucalyptus clarksoniana D.J.Carr & S.G.M.Carr = Corymbia clarksoniana
Eucalyptus clavigera Schauer = Corymbia clavigera
Eucalyptus clavigera var. dallachiana (Benth.) Maiden = C. dallachiana
Eucalyptus clavigera var. diffusa Blakely & Jacobs = C. pauciseta
Eucalyptus clavigera var. gilbertensis Maiden & Blakely = C. gilbertensis
Eucalyptus clelandii (Maiden) Maiden
Eucalyptus cliftoniana W.Fitzg. = Corymbia cliftoniana
Eucalyptus clivicola Brooker & Hopper
Eucalyptus cloeziana F.Muell.
Eucalyptus cneorifolia DC.
Eucalyptus coccifera Hook.f.
Eucalyptus coccifera var. parviflora Benth. = E. coccifera
Eucalyptus coccifera var. viridifolia Summerh. nom. dub. = identity doubtful
Eucalyptus codonocarpa Blakely & McKie = E. approximans subsp. codonocarpa
Eucalyptus coerulea R.T.Baker & H.G.Sm. = E. caleyi subsp. caleyi
Eucalyptus collina W.Fitzg. = Corymbia collina
Eucalyptus colossea F.Muell. nom. dub. = identity doubtful
Eucalyptus comitae-vallis Maiden = E. brachcorys
Eucalyptus communalis Brooker & Hopper
Eucalyptus concinna Maiden & Blakely
Eucalyptus concolor Schauer = ? E. decipiens subsp. decipiens
Eucalyptus conferruminata D.J.Carr & S.G.M.Carr
Eucalyptus confertiflora F.Muell. = Corymbia confertiflora
Eucalyptus confluens Maiden
Eucalyptus congener Maiden & Blakely = reputed hybrid E. piperita subsp. urceolaris × E. racemosa
Eucalyptus conglobata (Benth.) Maiden subsp. conglobata
Eucalyptus conglobata subsp. fraseri Brooker = E. fraseri subsp. fraseri
Eucalyptus conglobata subsp. perata Brooker & Slee
Eucalyptus conglobata var. anceps Maiden = E. rugosa
Eucalyptus conglomerata Maiden & Blakely
Eucalyptus conica H.Deane & Maiden
Eucalyptus coniophloia D.J.Carr & S.G.M.Carr = Corymbia dichromophloia
Eucalyptus conjuncta L.A.S.Johnson & K.D.Hill Image of type specimen held at CANB = reputed hybrid E. eugenioides × E. sparsifolia
Eucalyptus connata Dum.Cours. nom. dub. = identity doubtful
Eucalyptus connerensis D.J.Carr & S.G.M.Carr = Corymbia eremaea
Eucalyptus conoidea Benth. = E. erythronema var. erythronema
Eucalyptus conoidea var. marginata Benth. = E. erythronema var. marginata
Eucalyptus consideniana Maiden
Eucalyptus conspicua L.A.S.Johnson & K.D.Hill
Eucalyptus contracta L.A.S.Johnson & K.D.Hill = E. acmenoides
Eucalyptus conveniens L.A.S.Johnson & K.D.Hill
Eucalyptus coolabah Blakely & Jacobs
Eucalyptus coolabah subsp. arida (Blakely) L.A.S.Johnson & K.D.Hill = E. coolabah
Eucalyptus coolabah subsp. excerata L.A.S.Johnson & K.D.Hill = E. coolabah
Eucalyptus coolabah var. arida Blakely = E. coolabah
Eucalyptus coolabah var. rhodoclada Blakely = E. victrix
Eucalyptus cooperiana F.Muell.
Eucalyptus copulans L.A.S.Johnson & K.D.Hill, see note E. moorei subsp. moorei
Eucalyptus cordata Labill.
Eucalyptus cordata Lodd. = E. pulverulenta
Eucalyptus cordieri Trab. = reputed hybrid E. globulus × E. goniocalyx
Eucalyptus cordieri var. brachypoma Blakely = E. goniocalyx subsp. goniocalyx
Eucalyptus cordieri var. nortonii Blakely = E. nortonii
Eucalyptus coriacea Schauer = E. pauciflora subsp. pauciflora
Eucalyptus coriacea var. alpina Benth. = E. pauciflora subsp. niphophila
Eucalyptus cornuta Labill.
Eucalyptus coronata C.A.Gardner
Eucalyptus coronata Tausch ex Maiden [nom. inval.]
Eucalyptus corrugata Luehm.
Eucalyptus corticosa L.A.S.Johnson
Eucalyptus corymbosa Sm. = Corymbia gummifera
Eucalyptus corymbosa var. terminalis F.Muell. ex F.M.Bailey   nom. dub. = identity doubtful
Eucalyptus corymbosus Cav.   orth. var.
Eucalyptus corynocalyx F.Muell. = E. cladocalyx
Eucalyptus corynodes A.R.Bean & Brooker
Eucalyptus cosmophylla F.Muell.
Eucalyptus cosmophylla Miq.   nom. superfl. [nom. illeg.]
Eucalyptus cosmophylla f. leprosula Miq. = E. cosmophylla
Eucalyptus cosmophylla var. leprosula (Miq.) Maiden = E. cosmophylla
Eucalyptus cosmophylla var. rostrigera Maiden = E. cosmophylla
Eucalyptus costata F.Muell. & Behr ex F.Muell. = E. incrassata
Eucalyptus costata subsp. murrayana L.A.S.Johnson & K.D.Hill = E. incrassata
Eucalyptus costuligera L.A.S.Johnson & K.D.Hill = E. tectifica
Eucalyptus cotinifolia Colla   nom. dub. = identity doubtful
Eucalyptus crassifolia (G.J.Leach) Brooker = Angophora bakeri subsp. crassifolia
Eucalyptus crawfordii Maiden & Blakely = reputed hybrid E. acaciiformis × E. saligna
Eucalyptus crebra F.Muell.
Eucalyptus crebra var. citrata F.Muell. = E. staigeriana
Eucalyptus crebra var. macrocarpa Domin = E. crebra
Eucalyptus crenulata Blakely & Beuzev.
Eucalyptus creta L.A.S.Johnson & K.D.Hill
Eucalyptus cretata P.J.Lang & Brooker
Eucalyptus crispata Brooker & Hopper
Eucalyptus croajingolensis L.A.S.Johnson & K.D.Hill
Eucalyptus crucis Maiden subsp. crucis
Eucalyptus crucis subsp. lanceolata Brooker & Hopper
Eucalyptus crucis subsp. praecipua Brooker & Hopper
Eucalyptus cullenii Cambage
Eucalyptus cullenii var. trivalvis Blakely = Eucalyptus cullenii
Eucalyptus cultrifolia Naudin   nom. dub. = ? probable hybrid
Eucalyptus cunninghamii G.Don   nom. superfl. [nom. illeg.] = ? E. moorei subsp. moorei
Eucalyptus cunninghamii Sweet
Eucalyptus cuprea Brooker & Hopper
Eucalyptus cupularis C.A.Gardner
Eucalyptus currabubula Blakely = reputed hybrid E. albens × E. viridis
Eucalyptus curtipes D.J.Carr & S.G.M.Carr = Corymbia greeniana
Eucalyptus curtisii Blakely & C.T.White
Eucalyptus curvula Sieber ex Spreng. = Uncertain identity
Eucalyptus cuspidata Turcz. = E. angulosa
Eucalyptus cyanoclada Blakely = E. microtheca
Eucalyptus cyanophylla Brooker
Eucalyptus cyathiformis Blakely & McKie = E. caliginosa
Eucalyptus cyclostoma Brooker
Eucalyptus cylindriflora Maiden & Blakely
Eucalyptus cylindrocarpa Blakely
Eucalyptus cypellocarpa L.A.S.Johnson