Polyporus frondosus vs Grifola frondosa

Polyporus frondosus and Grifola frondosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Polyporus frondosus	Yes	No	No	No
Grifola frondosa	Yes	No	No	No

As nouns, Polyporus frondosus and Grifola frondosa are synonyms defined as:

Polyporus frondosus and Grifola frondosa: large greyish-brown edible fungus forming a mass of overlapping caps that somewhat resembles a hen at the base of trees

Other synonyms of Polyporus frondosus include hen-of-the-woods, hen of the woods.

Polyporus frondosus (noun)	Grifola frondosa (noun)
large greyish-brown edible fungus forming a mass of overlapping caps that somewhat resembles a hen at the base of trees	large greyish-brown edible fungus forming a mass of overlapping caps that somewhat resembles a hen at the base of trees