Sphaerellothecium araneosum and Three Lichenicolous Fungi of Sclerococcum from Japan

Abstract

Four noteworthy species of lichenicolous fungi were found on lichen thalli of Ochlorechia A.Massal. collected in Japan: Sphaerellothecium araneosum (Rehm ex Arnold) Zopf is new to Japan, Sclerococcum glaucomarioides (Willey ex Tuck.) Ertz & Diederich, S. parasiticum (Flörke) Ertz & Diederich and S. pertusariicola (Willey ex Tuck.) Ertz & Diederich are the second discovery from Japan. The descriptions of each species are given based on the Japanese materials.