Pinus taeda vs loblolly pine

Pinus taeda and loblolly pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pinus taeda	Yes	No	No	No
loblolly pine	Yes	No	No	No

As nouns, Pinus taeda and loblolly pine are synonyms defined as:

Pinus taeda and loblolly pine: tall spreading three-needled pine of southeastern United States having reddish-brown fissured bark and a full bushy upper head

Other synonyms of Pinus taeda include frankincense pine.

Pinus taeda (noun)	loblolly pine (noun)
tall spreading three-needled pine of southeastern United States having reddish-brown fissured bark and a full bushy upper head	tall spreading three-needled pine of southeastern United States having reddish-brown fissured bark and a full bushy upper head