Pleurotus ostreatus vs oyster mushroom

Pleurotus ostreatus and oyster mushroom both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pleurotus ostreatus	Yes	No	No	No
oyster mushroom	Yes	No	No	No

As nouns, Pleurotus ostreatus and oyster mushroom are synonyms defined as:

Pleurotus ostreatus and oyster mushroom: edible agaric with a soft greyish cap growing in shelving masses on dead wood

Other synonyms of Pleurotus ostreatus include oyster agaric, oyster fungus.

Pleurotus ostreatus (noun)	oyster mushroom (noun)
edible agaric with a soft greyish cap growing in shelving masses on dead wood	edible agaric with a soft greyish cap growing in shelving masses on dead wood