Silphium laciniatum vs rosinweed

Silphium laciniatum and rosinweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Silphium laciniatum	Yes	No	No	No
rosinweed	Yes	No	No	No

As nouns, Silphium laciniatum and rosinweed are synonyms defined as:

Silphium laciniatum and rosinweed: North American perennial having a resinous odor and yellow flowers

Silphium laciniatum (noun)	rosinweed (noun)
North American perennial having a resinous odor and yellow flowers	North American perennial having a resinous odor and yellow flowers
	any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock