prairie mimosa vs prickle-weed

prairie mimosa and prickle-weed both are nouns.

Word	Noun	Adjective	Verb	Adverb
prairie mimosa	Yes	No	No	No
prickle-weed	Yes	No	No	No

As nouns, prairie mimosa and prickle-weed are synonyms defined as:

prairie mimosa and prickle-weed: perennial herb of North American prairies having dense heads of small white flowers

Other synonyms of prairie mimosa include Desmanthus ilinoensis.

prairie mimosa (noun)	prickle-weed (noun)
perennial herb of North American prairies having dense heads of small white flowers	perennial herb of North American prairies having dense heads of small white flowers