Trass, HH 1978: New and rare taxa of Cladoniaceae in the lichen-flora of the U.S.S.R.. - Folia cryptogamica Estonica11: 1-8. [RLL Suppl.] Abstract: [In Russian. New: Cladonia alinii Trass, C. macroceras v. nigripes (Ahti) Trass, Cladina ciliata (Stirton) Trass, Cladonia subrangiformis f. spinulifera Trass, Cladina mitis f. arenicola Trass.]