The hyphae of rock inhabiting fungi are strengthened and better able to grow in crevices due to melanin pigments.


"Melanin pigmentation of rock-inhabiting fungi confers extra-mechanical strength to the hyphae that are then better able to grow into crevices (Dornieden et al., 1997; Sterflinger and Krumbein, 1997)." (Gorbushina 2007:1619)

Journal article
Life on the rocksGorbushina, A. A.

Mushrooms, Sac Fungi, Lichens, Yeast, Molds, Rusts, Etc.FungiKingdom