Very similar to Galerina arctica but that species has smaller, smooth spores (note comments on images). A bright species with a fatty umbo and striate margins. Found in boggy sites, usually with bryophytes, such as pond-edges and depressed areas in stable dune systems

References: 
Knudsen & Vesterholt (2012 second edition) - Funga Nordica
Gulden - Galerinas in Cold Climates