British Isles; Lichens at p. 164-223 Read more...
lichenes p. 43-71 Read more...
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lichens at p. 69 Read more...
Exsiccat, Germany, Netherlands, Sweden Read more...
comments on "Lichen viridis" at p. 299-303 Read more...
Report on an excursion near Regensburg incl. two lichens [Lichen islandicus = Cetraria islandica; Lichen pyxidatus = Cladonia pyxidata] Read more...
Report on an excursion near Regensburg incl three lichens [Lichen ericetorum; Lichen cocciferus; Lichen floridus] Read more...
Verrucaria nigro-cinerea sp. nov. (p. 331-332), according to Acharius (1798: 60 - Lich. Suec. Prodr.) synonym of Lichen confluens Weber (= Lecidea confluens (Weber) Ach.); not in IF! Read more...
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