Template:Golubkova, 1965
- Golubkova, N.S. 1965. Analysis geographica florae lichenum districtus floristici Volgensis Superioris. Novosti Sistematiki Nizshikh Rastenii (Novitates Systematicae Plantarum non Vascularium) 2: 179–193. RLL List # 55 / Rec.# 6819 – Recent Literature on Lichens Komarov Botanical Institute of the Russian Academy of Sciences