Beta vulgaris vulgaris vs beet

Beta vulgaris vulgaris and beet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Beta vulgaris vulgaris	Yes	No	No	No
beet	Yes	No	No	No

As nouns, beet is a hypernym of Beta vulgaris vulgaris; that is, beet is a word with a broader meaning than Beta vulgaris vulgaris:

Beta vulgaris vulgaris: beet with a large yellowish root; grown chiefly as cattle feed
beet: biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop

Other hypernyms of Beta vulgaris vulgaris include Beta vulgaris, common beet.

Beta vulgaris vulgaris (noun)	beet (noun)
beet with a large yellowish root; grown chiefly as cattle feed	round red root vegetable
	biennial Eurasian plant usually having a swollen edible root; widely cultivated as a food crop