The Mealy Lichen, Leprocaulon microscopicum (VILL.) GAMS ex D. HAWKSW., new to Süder Uplands and Westphalia, North Rhine-Westphalia, Germany Leprocaulon microscopicum, the Mealy Lichen, has been found recently on cliffs in the valley of river Volme in the Sauerland and in the valley of river Sieg in the Bergisches Land. These represent the first record of the species for Westphalia and the Süder Uplands (Süderbergland), North Rhine-Westphalia, Germany.