Viburnum prunifolium vs black haw

Viburnum prunifolium and black haw both are nouns.

Word	Noun	Adjective	Verb	Adverb
Viburnum prunifolium	Yes	No	No	No
black haw	Yes	No	No	No

As nouns, Viburnum prunifolium and black haw are synonyms defined as:

Viburnum prunifolium and black haw: upright deciduous shrub having frosted dark-blue fruit; east and east central North America

Viburnum prunifolium (noun)	black haw (noun)
upright deciduous shrub having frosted dark-blue fruit; east and east central North America	upright deciduous shrub having frosted dark-blue fruit; east and east central North America
	deciduous tree of southeastern United States and Mexico