Ascomycetes vs class Ascomycetes

Ascomycetes and class Ascomycetes both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ascomycetes	Yes	No	No	No
class Ascomycetes	Yes	No	No	No

As nouns, Ascomycetes and class Ascomycetes are synonyms defined as:

Ascomycetes and class Ascomycetes: large class of higher fungi coextensive with division Ascomycota: sac fungi

Ascomycetes (noun)	class Ascomycetes (noun)
large class of higher fungi coextensive with division Ascomycota: sac fungi	large class of higher fungi coextensive with division Ascomycota: sac fungi