Amaranthus graecizans vs Amaranthus albus

Amaranthus graecizans and Amaranthus albus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Amaranthus graecizans	Yes	No	No	No
Amaranthus albus	Yes	No	No	No

As nouns, Amaranthus graecizans and Amaranthus albus are synonyms defined as:

Amaranthus graecizans and Amaranthus albus: bushy plant of western United States

Other synonyms of Amaranthus graecizans include tumbleweed.

Amaranthus graecizans (noun)	Amaranthus albus (noun)
bushy plant of western United States	bushy plant of western United States