White Fungus That Grows on Damp Walls
This page is the CodyCross answer for the clue below from Art Museum, Group 739, Puzzle 2 (Musical Guests).
Question is: White Fungus That Grows on Damp Walls
and the answer is: MILDEW
Word Meaning:
MILDEW — (phytopathology) A growth of minute powdery or webby fungi, whitish or of different colors, found on various diseased or decaying substances.
Definitions from Wiktionary.