Zhelezova, B 1956: The wolf lichen--Letharia vulpina (L.) Vain.. - Priroda, Nauchno-Populiaren Dvumesechnik za Estestveno-Istoricheski Zhaniia [Sofia]1956(1): 66-68. [RLL List # 28 / Rec.# 20760] Keywords: LETHARIA VULPINA/ DISTRIBUTION/ EUROPE
Abstract: 2 fig. [Map of the distribution in Europe. In Bulgarian.]