Template:Thell et al., 2017

• Thell, A., Tsurykau, A., Persson, P.-E., Hansson, M., Åsegård, E., Kärnefelt, I. & Seaward, M.R.D. 2017. Parmelia ernstiae, P. serrana and P. submontana, three species increasing in the Nordic countries. Graphis Scripta 29(1–2): 24–32. ResearchGate . Nordic Lichen Society (PDF)  
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  • RLL List # 247 / Rec.# 38827 – Recent Literature on Lichens