Clitocybe irina vs Tricholoma irinum

Clitocybe irina and Tricholoma irinum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clitocybe irina	Yes	No	No	No
Tricholoma irinum	Yes	No	No	No

As nouns, Clitocybe irina and Tricholoma irinum are synonyms defined as:

Clitocybe irina and Tricholoma irinum: an edible agaric with large silky white caps and thick stalks

Other synonyms of Clitocybe irina include Lepista irina.

Clitocybe irina (noun)	Tricholoma irinum (noun)
an edible agaric with large silky white caps and thick stalks	an edible agaric with large silky white caps and thick stalks