woodland white violet vs white violet

woodland white violet and white violet both are nouns.

Word	Noun	Adjective	Verb	Adverb
woodland white violet	Yes	No	No	No
white violet	Yes	No	No	No

As nouns, woodland white violet and white violet are synonyms defined as:

woodland white violet and white violet: short-stemmed violet of eastern North America having fragrant purple-veined white flowers

Other synonyms of woodland white violet include sweet white violet, Viola blanda.

woodland white violet (noun)	white violet (noun)
short-stemmed violet of eastern North America having fragrant purple-veined white flowers	short-stemmed violet of eastern North America having fragrant purple-veined white flowers
	tall North American perennial with heart-shaped leaves and white flowers with purple streaks