genus Aglaomorpha vs fern genus

genus Aglaomorpha and fern genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Aglaomorpha	Yes	No	No	No
fern genus	Yes	No	No	No

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

genus Aglaomorpha (noun)	fern genus (noun)
epiphytic ferns of tropical Asia	genera of ferns and fern allies