Andropogon furcatus vs Andropogon gerardii

Andropogon furcatus and Andropogon gerardii both are nouns.

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

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

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

Other synonyms of Andropogon furcatus include blue stem, bluestem.

Andropogon furcatus (noun)	Andropogon gerardii (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