mushroom system

15 LETTERS · STARTS WITH M

mushroom system is a valid 15-letter word worth 26 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3U1S1H4R1O1O1M3S1Y4S1T1E1M3

3 + 1 + 1 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does mushroom system mean?