mouse ear vs mouse-ear chickweed

mouse ear and mouse-ear chickweed both are nouns.

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

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

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

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

mouse ear (noun)	mouse-ear chickweed (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