Astragalus alpinus vs alpine milk vetch

Astragalus alpinus and alpine milk vetch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Astragalus alpinus	Yes	No	No	No
alpine milk vetch	Yes	No	No	No

As nouns, Astragalus alpinus and alpine milk vetch are synonyms defined as:

Astragalus alpinus and alpine milk vetch: perennial of mountainous areas of Eurasia and North America

Astragalus alpinus (noun)	alpine milk vetch (noun)
perennial of mountainous areas of Eurasia and North America	perennial of mountainous areas of Eurasia and North America