These lists include all eucalypt names, those taxa accepted in EUCLID and previously published names.
Eucalyptus ultima L.A.S.Johnson & K.D.Hill
Eucalyptus umbellata (Gaertn.) Domin = E. tereticornis subsp. tereticornis
Eucalyptus umbellata Dum.Cours. = nom. dub.
Eucalyptus umbellata var. dealbata (Schauer) Domin = E. dealbata
Eucalyptus umbellata var. glaucina Blakely = E. glaucina
Eucalyptus umbellata var. latifolia (Benth.) Blakely = reputed hybrid E.
platyphylla × E.
tereticornis subsp. tereticornis
Eucalyptus umbellata var. media Blakely = E. tereticornis subsp. mediana
Eucalyptus umbellata var. pruiniflora Blakely = E. tereticornis subsp. mediana
Eucalyptus umbonata D.J.Carr & S.G.M.Carr = Corymbia umbonata
Eucalyptus umbra R.T.Baker
Eucalyptus umbra subsp. carnea (R.T.Baker) L.A.S.Johnson =
E. carnea
Eucalyptus umbrawarrensis Maiden
Eucalyptus uncinata Turcz.
Eucalyptus uncinata var. latifolia Benth. = E.
uncinata
Eucalyptus uncinata var. major Benth. = ?
E. rigidula
Eucalyptus uncinata var. pedicellata Hochr. = nom. dub.
Eucalyptus uncinata var. rostrata Benth. = E.
transcontinentalis
Eucalyptus undulata Colla = nom. dub.
Eucalyptus undulata Sweet = incorrect [nom. illeg.]
Eucalyptus unialata R.T.Baker & H.G.Sm. = reputed hybrid E.
globulus × E.
viminalis
Eucalyptus urceolaris Maiden & Blakely = E.
piperita subsp. urceolaris
Eucalyptus urna D.Nicolle
Eucalyptus urnigera Hook.f.
Eucalyptus urnigera var. elongata Rodway
= E. urnigera
Eucalyptus urnularis D.J.Carr & S.G.M.Carr = reputed hybrid
C. dichromophloia × C.
latifolia
Eucalyptus urophylla S.T.Blake extra-Australian species from Indonesia and Timor-Leste
Eucalyptus utilis Brooker & Hopper
Eucalyptus uvida K.D.Hill = E. acmenoides