Thelotrema lepadinum forme saxicole des rochers secs.

    This saxicolous form is rarely found on dry, non-wet rocks in oceanic forests, always near the corticolous form of Thelotrema lepadinum. The fertile warts are very prominent and deformed and the thallus inconspicious. C-, K+ pale yellow-orange, KC+ pale yellow-orange, P+ pale yellow-orange.

N.B. See Thelotrema lepadinum forme saxicole des rochers humides whose apothecia are at the top of low, rounded warts and whose thallus is invaded by cyanobacteria and algae.