Blue gum is a common name for subspecies or the species in Eucalyptus globulus complex, and also a number of other species of Eucalyptus in Australia. Confusingly, in Queensland it usually refers to Eucalyptus tereticornis, which is known elsewhere as forest red gum.
Gippsland blue gum: Eucalyptus pseudoglobulus (syn. E. globulus subsp. pseudoglobulus)Inland blue gum: E. leucoxylonLarge-fruited blue gum: E. leucoxylonMountain blue gum: E. cypellocarpa, E. deaneiRound-leaved blue gum: E. deaneiSouth Australian blue gum: E. leucoxylonSouthern blue gum: Eucalyptus bicostata (syn. E. globulus subsp. bicostata)Spotted blue gum: Eucalyptus maidenii (syn. E. globulus subsp. maidenii)Sydney blue gum: E. salignaTasmanian blue gum: Eucalyptus globulus (syn. E. globulus subsp. globulus)Victorian blue gum: Eucalyptus bicostataOther species are sometimes regarded as blue gums such as E. nitens, and the Sydney blue gum (Eucalyptus notabilis).
