Template:Wallroth, 1831

• Wallroth, K.F.W. 1831. Flora Cryptogamica Germaniae. Pars Prior, continens Filices, Lichenastra, Muscos et Lichenes.: 1–654. J.L. Schrag, Norimbergae. Google Books  
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  • Mattick Rec.# 23017 – Recent Literature on Lichens