chop-suey greens vs Chrysanthemum coronarium spatiosum

chop-suey greens and Chrysanthemum coronarium spatiosum both are nouns.

Word	Noun	Adjective	Verb	Adverb
chop-suey greens	Yes	No	No	No
Chrysanthemum coronarium spatiosum	Yes	No	No	No

As nouns, chop-suey greens and Chrysanthemum coronarium spatiosum are synonyms defined as:

chop-suey greens and Chrysanthemum coronarium spatiosum: grown for its succulent edible leaves used in Asian cooking

Other synonyms of chop-suey greens include shun giku, tong ho.

chop-suey greens (noun)	Chrysanthemum coronarium spatiosum (noun)
succulent and aromatic young dark green leaves used in Chinese and Vietnamese and Japanese cooking	grown for its succulent edible leaves used in Asian cooking
grown for its succulent edible leaves used in Asian cooking