shiitake mushroom vs Chinese black mushroom

shiitake mushroom and Chinese black mushroom both are nouns.

Word	Noun	Adjective	Verb	Adverb
shiitake mushroom	Yes	No	No	No
Chinese black mushroom	Yes	No	No	No

As nouns, shiitake mushroom and Chinese black mushroom are synonyms defined as:

shiitake mushroom and Chinese black mushroom: edible east Asian mushroom having a golden or dark brown to blackish cap and an inedible stipe

Other synonyms of shiitake mushroom include golden oak mushroom, Lentinus edodes, Oriental black mushroom, shiitake.

shiitake mushroom (noun)	Chinese black mushroom (noun)
edible east Asian mushroom having a golden or dark brown to blackish cap and an inedible stipe	edible east Asian mushroom having a golden or dark brown to blackish cap and an inedible stipe