genus Bromus vs liliopsid genus

genus Bromus and liliopsid genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Bromus	Yes	No	No	No
liliopsid genus	Yes	No	No	No

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

genus Bromus: a genus of grasses of the family Gramineae
liliopsid genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of genus Bromus include monocot genus.

genus Bromus (noun)	liliopsid genus (noun)
a genus of grasses of the family Gramineae	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed