multiflora rose vs Rosa multiflora

multiflora rose and Rosa multiflora both are nouns.

Word	Noun	Adjective	Verb	Adverb
multiflora rose	Yes	No	No	No
Rosa multiflora	Yes	No	No	No

As nouns, multiflora rose and Rosa multiflora are synonyms defined as:

multiflora rose and Rosa multiflora: vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock

Other synonyms of multiflora rose include baby rose, Japanese rose, multiflora.

multiflora rose (noun)	Rosa multiflora (noun)
vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock	vigorously growing rose having clusters of numerous small flowers; used for hedges and as grafting stock