Topham, PB/ Seaward, MRD/ Bylinska, EA 1982: Umbilicaria propagulifera new to the northern hemisphere. - Lichenologist14: 47-52. [RLL List # 114-84 / Rec.# 18848] Keywords: UMBILICARIA/ NORTHERN HEMISPHERE/ POLAND/ SWEDEN
Abstract: 3 figures. 1 table. [Umbilicaria propagulifera (Vainio) Llano is reported from Poland and Sweden and relationships within the genus are discussed.]