dandelion green vs leaf

dandelion green and leaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
dandelion green	Yes	No	No	No
leaf	Yes	No	Yes	No

As nouns, leaf is a hypernym of dandelion green; that is, leaf is a word with a broader meaning than dandelion green:

Other hypernyms of dandelion green include foliage, leafage.

dandelion green (noun)	leaf (noun)
edible leaves of the common dandelion collected from the wild; used in salads and in making wine	hinged or detachable flat section (as of a table or door)
the foliage of the dandelion plant	a sheet of any written or printed material (especially in a manuscript or book)
	the main organ of photosynthesis and transpiration in higher plants

dandelion green (verb)	leaf (verb)
	produce leaves, of plants
	turn over pages
	look through a book or other written material