Germany, Harz Read more...
Funk; Funck; exsiccat; Fichtelgebirge; 60 species of cryptogams listed of the fascicles 9 to 11 Read more...
Funk; Funck; exsiccat; Fichtelgebirge; 61 species of cryptogams listed of the fascicles 12 to 14 Read more...
Genera Circinaria and Lepidoma described Read more...
classification Read more...
A letter to Schrader Read more...
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