oxtongue vs Picris echioides

oxtongue and Picris echioides both are nouns.

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

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

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

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

oxtongue (noun)	Picris echioides (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