Sixteen fungus species were found on leaves, twigs and inflorescences of Dryas integrifolia and D. octopetala s.l. Descriptions, comments and illustrations of four new taxa, Hymenoscyphus dryadis, Leptosphaeria holmiorum, Odontotrema alpinum var. octopartitum and Urceolella dryadicola, are provided. The first records of some dryadicolous fungi from Greenland and Northern Asia are given.