Bromus vs monocot genus

Bromus and monocot genus both are nouns.

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

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

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

Other hypernyms of Bromus include liliopsid genus.

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