Echium vulgare vs viper's bugloss

Echium vulgare and viper's bugloss both are nouns.

Word	Noun	Adjective	Verb	Adverb
Echium vulgare	Yes	No	No	No
viper's bugloss	Yes	No	No	No

As nouns, Echium vulgare and viper's bugloss are synonyms defined as:

Echium vulgare and viper's bugloss: a coarse prickly European weed with spikes of blue flowers; naturalized in United States

Other synonyms of Echium vulgare include blue devil, blue thistle, blueweed.

Echium vulgare (noun)	viper's bugloss (noun)
a coarse prickly European weed with spikes of blue flowers; naturalized in United States	a coarse prickly European weed with spikes of blue flowers; naturalized in United States