Moberg, R/ Carlin, G 1996: The genus Placopsis (Trapeliaceae) in Norden. - Symbolae Botanicae Upsaliensis31(3): 319-325. [RLL List # 165 / Rec.# 12880] Keywords: FINLAND/ ICELAND/ NORWAY/ PLACOPSIS/ SWEDEN
Abstract: 3 fig. [Detailed treatment of two species.]