Template:Eschweiler, 1824

• Eschweiler, F.G. 1824. Systema lichenum, genera exhibens rite distincta, pluribus novis adaucta. 26 pp. + 2 pls. J. L. Schrag, Norimbergae. Google Books  
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  • Mattick Rec.# 31959 – Recent Literature on Lichens