Mertensia virginica vs Virginia cowslip

Mertensia virginica and Virginia cowslip both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mertensia virginica	Yes	No	No	No
Virginia cowslip	Yes	No	No	No

As nouns, Mertensia virginica and Virginia cowslip are synonyms defined as:

Mertensia virginica and Virginia cowslip: smooth erect herb of eastern North America having entire leaves and showy blue flowers that are pink in bud

Other synonyms of Mertensia virginica include Virginia bluebell.

Mertensia virginica (noun)	Virginia cowslip (noun)
smooth erect herb of eastern North America having entire leaves and showy blue flowers that are pink in bud	smooth erect herb of eastern North America having entire leaves and showy blue flowers that are pink in bud