Image of cup lichen

Description:

Habitat: Mixed woods, Picea abies, Fagus sylvatica, Fraxinus excelsior, humid and relatively cool place, in shade, rain protected by trees' canopies, precipitations ~3.000 mm/year, average temperature 7-9 deg C, elevation 570 m (1.900 feet), alpine phytogeographical region. Substratum: heavily rotten Picea abies stump, SW oriented Ref.: Wirth, Die Flechten Baden-Wuerttembers, Ulmer, Vol.1. p322 Brodo, Sharnoff, Sharnof, Lichens of North America, Yale Uni. Press, p247