agaric vs basidiomycetous fungi

agaric and basidiomycetous fungi both are nouns.

Word	Noun	Adjective	Verb	Adverb
agaric	Yes	No	No	No
basidiomycetous fungi	Yes	No	No	No

As nouns, basidiomycetous fungi is a hypernym of agaric; that is, basidiomycetous fungi is a word with a broader meaning than agaric:

agaric: a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside
basidiomycetous fungi: any of various fungi of the subdivision Basidiomycota

Other hypernyms of agaric include basidiomycete.

agaric (noun)	basidiomycetous fungi (noun)
a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside	any of various fungi of the subdivision Basidiomycota
fungus used in the preparation of punk for fuses