monocot genus vs liliopsid genus

monocot genus and liliopsid genus both are nouns.

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

As nouns, monocot genus and liliopsid genus are synonyms defined as:

monocot genus and liliopsid genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

monocot genus (noun)	liliopsid genus (noun)
genus of flowering plants having a single cotyledon (embryonic leaf) in the seed	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed