ox-eyed daisy vs Leucanthemum vulgare

ox-eyed daisy and Leucanthemum vulgare both are nouns.

Word	Noun	Adjective	Verb	Adverb
ox-eyed daisy	Yes	No	No	No
Leucanthemum vulgare	Yes	No	No	No

As nouns, ox-eyed daisy and Leucanthemum vulgare are synonyms defined as:

ox-eyed daisy and Leucanthemum vulgare: tall leafy-stemmed Eurasian perennial with white flowers; widely naturalized; often placed in genus Chrysanthemum

Other synonyms of ox-eyed daisy include Chrysanthemum leucanthemum, marguerite, moon daisy, oxeye daisy, white daisy.

ox-eyed daisy (noun)	Leucanthemum vulgare (noun)
tall leafy-stemmed Eurasian perennial with white flowers; widely naturalized; often placed in genus Chrysanthemum	tall leafy-stemmed Eurasian perennial with white flowers; widely naturalized; often placed in genus Chrysanthemum