Picris echioides vs oxtongue

Picris echioides and oxtongue both are nouns.

Word	Noun	Adjective	Verb	Adverb
Picris echioides	Yes	No	No	No
oxtongue	Yes	No	No	No

As nouns, Picris echioides and oxtongue are synonyms defined as:

Picris echioides and oxtongue: widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States

Other synonyms of Picris echioides include bitterweed, bristly oxtongue, bugloss.

Picris echioides (noun)	oxtongue (noun)
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States	widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States