mouse-ear chickweed vs mouse ear

mouse-ear chickweed and mouse ear both are nouns.

Word	Noun	Adjective	Verb	Adverb
mouse-ear chickweed	Yes	No	No	No
mouse ear	Yes	No	No	No

As nouns, mouse-ear chickweed and mouse ear are synonyms defined as:

mouse-ear chickweed and mouse ear: any of various plants related to the common chickweed

Other synonyms of mouse-ear chickweed include chickweed, clammy chickweed, mouse eared chickweed.

mouse-ear chickweed (noun)	mouse ear (noun)
any of various plants related to the common chickweed	any of various plants related to the common chickweed
	small perennial herb having bright blue or white flowers