Panicum Texanum vs Texas millet

Panicum Texanum and Texas millet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Panicum Texanum	Yes	No	No	No
Texas millet	Yes	No	No	No

As nouns, Panicum Texanum and Texas millet are synonyms defined as:

Other synonyms of Panicum Texanum include goose grass.

Panicum Texanum (noun)	Texas millet (noun)
annual weedy grass used for hay	annual weedy grass used for hay