Gnaphalium sylvaticum vs wood cudweed

Gnaphalium sylvaticum and wood cudweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gnaphalium sylvaticum	Yes	No	No	No
wood cudweed	Yes	No	No	No

As nouns, Gnaphalium sylvaticum and wood cudweed are synonyms defined as:

Gnaphalium sylvaticum and wood cudweed: weedy perennial of north temperate regions having woolly foliage and dirty white flowers in a leafy spike

Other synonyms of Gnaphalium sylvaticum include chafeweed.

Gnaphalium sylvaticum (noun)	wood cudweed (noun)
weedy perennial of north temperate regions having woolly foliage and dirty white flowers in a leafy spike	weedy perennial of north temperate regions having woolly foliage and dirty white flowers in a leafy spike