Trass, HH/ Randlane, TB 1986: Lichen species of Estonia in need of protection. - Folia Cryptogamica Estonica21: 1-3. [RLL List # 130 / Rec.# 18883] Keywords: USSR/ ESTONIA/ CONSERVATION/ ENDANGERED SPECIES
Abstract: ["A list of lichen species in need of protection and conservation is presented. Here 93 rare, relic or sensitive species are listed." In Russian; English abstract.]