Template:Fries, 1861a

• Fries, T.M. 1861. Lichenes arctoi Europae Groenlandiaeque hactenus cogniti. Nova Acta Regiae Societatis Scientiarum Upsaliensis, Ser. 3, 3: 103–398. BHL  
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  • Mattick Rec.# 33065 – Recent Literature on Lichens