Linaria vulgaris vs butter-and-eggs

Linaria vulgaris and butter-and-eggs both are nouns.

Word	Noun	Adjective	Verb	Adverb
Linaria vulgaris	Yes	No	No	No
butter-and-eggs	Yes	No	No	No

As nouns, Linaria vulgaris and butter-and-eggs are synonyms defined as:

Linaria vulgaris and butter-and-eggs: common European perennial having showy yellow and orange flowers; a naturalized weed in North America

Other synonyms of Linaria vulgaris include devil's flax, toadflax, wild snapdragon.

Linaria vulgaris (noun)	butter-and-eggs (noun)
common European perennial having showy yellow and orange flowers; a naturalized weed in North America	common European perennial having showy yellow and orange flowers; a naturalized weed in North America