Three sampling sites were established at increasing distance from the Morteratsch glacier to investigate lichen communities on soil in the glacier forefield. The survey yielded 13 lichen species and one lichenicolous fungus. Peltigera extenuata (Nyl. ex Vain.) Lojka (Peltigerales) is new to the canton of Graubünden.
Keywords: Lichenes. – Biodiversity; Lichenized Ascomycetes; ecology; flora; floristics. – Alps; glacier forefield; glacier retreat.