mouse-ear chickweed

NOUN
19 LETTERS · STARTS WITH M

mouse-ear chickweed is a valid 19-letter word worth 34 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3O1U1S1E1-0E1A1R1C3H4I1C3K5W4E1E1D2
3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 0 + 3 + 4 + 1 + 3 + 5 + 4 + 1 + 1 + 2 =34 PTS
DOUBLE WORD → 68TRIPLE WORD → 102
MEANING

What does mouse-ear chickweed mean?