Andropogon gerardii vs bluestem

Andropogon gerardii and bluestem both are nouns.

Word	Noun	Adjective	Verb	Adverb
Andropogon gerardii	Yes	No	No	No
bluestem	Yes	No	No	No

As nouns, Andropogon gerardii and bluestem are synonyms defined as:

Andropogon gerardii and bluestem: tall grass with smooth bluish leaf sheaths grown for hay in the United States

Other synonyms of Andropogon gerardii include Andropogon furcatus, blue stem.

Andropogon gerardii (noun)	bluestem (noun)
tall grass with smooth bluish leaf sheaths grown for hay in the United States	tall grass with smooth bluish leaf sheaths grown for hay in the United States