Zigadenus venenosus gramineus vs grassy death camas

Zigadenus venenosus gramineus and grassy death camas both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zigadenus venenosus gramineus	Yes	No	No	No
grassy death camas	Yes	No	No	No

As nouns, Zigadenus venenosus gramineus and grassy death camas are synonyms defined as:

Zigadenus venenosus gramineus and grassy death camas: plant of western North America to Mexico; poisonous especially to grazing animals

Other synonyms of Zigadenus venenosus gramineus include Zigadenus venenosus.

Zigadenus venenosus gramineus (noun)	grassy death camas (noun)
plant of western North America to Mexico; poisonous especially to grazing animals	plant of western North America to Mexico; poisonous especially to grazing animals