Faltynowicz, W 1997: Zagrozenia porostów i problemy ich ochrony [Threat to the lichens and problems of lichen conservation]. - Przeglad Przyrodniczy8(3): 35-46. [RLL List # 182 / Rec.# 21664] Keywords: CONSERVATION/ ENDANGERED SPECIES/ POLAND
Abstract: 2 fig. ["Eleven factors threatening lichens are analyzed. Several proposals of protection of lichens, particularly active ways, such as reintroduction and transplantation of thalli and propagules are described."]