ghost gum vs Eucalyptus pauciflora

ghost gum and Eucalyptus pauciflora both are nouns.

Word	Noun	Adjective	Verb	Adverb
ghost gum	Yes	No	No	No
Eucalyptus pauciflora	Yes	No	No	No

As nouns, ghost gum and Eucalyptus pauciflora are synonyms defined as:

ghost gum and Eucalyptus pauciflora: small to medium-sized tree of Australia and Tasmania having smooth white to light-grey bark shedding in patches or strips

Other synonyms of ghost gum include Eucalyptus coriacea, snow gum, white ash.

ghost gum (noun)	Eucalyptus pauciflora (noun)
small to medium-sized tree of Australia and Tasmania having smooth white to light-grey bark shedding in patches or strips	small to medium-sized tree of Australia and Tasmania having smooth white to light-grey bark shedding in patches or strips