genus Tulestoma vs fungus genus

genus Tulestoma and fungus genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Tulestoma	Yes	No	No	No
fungus genus	Yes	No	No	No

As nouns, fungus genus is a hypernym of genus Tulestoma; that is, fungus genus is a word with a broader meaning than genus Tulestoma:

genus Tulestoma (noun)	fungus genus (noun)
type genus of the Tulostomaceae	includes lichen genera