daisy vs English daisy

daisy and English daisy both are nouns.

Word	Noun	Adjective	Verb	Adverb
daisy	Yes	No	No	No
English daisy	Yes	No	No	No

As nouns, English daisy is a hyponym of daisy; that is, English daisy is a word with a more specific, narrower meaning than daisy:

daisy: any of numerous composite plants having flower heads with well-developed ray flowers usually arranged in a single whorl
English daisy: low-growing Eurasian plant with yellow central disc flowers and pinkish-white outer ray flowers

Other hyponyms of daisy include Bellis perennis, common daisy.

daisy (noun)	English daisy (noun)
any of numerous composite plants having flower heads with well-developed ray flowers usually arranged in a single whorl	low-growing Eurasian plant with yellow central disc flowers and pinkish-white outer ray flowers