Y. Takenaka, N. Nagakura, N. Hamada and T. Tanahashi 2010: Naphthopyrones from cultured lichen mycobionts of Pyrenula sp. - Heterocycles81(8): 1931-1935. [RLL List # 222 / Rec.# 32785] Abstract: [This study describes the first instance of isolation of naphthalene derivatives from a lichen mycobiont.]