Snow patches of the Alps, the Pyrenees, the Carpathians (e.g. alliances Salicion herbaceae and Festucion picturatae), the Dinarides, the Rhodope Mountains (Rila) and the Pelagonides, occupying areas free from snow for less than two months, with the herbs e.g. Luzula alpinopilosa, Salix herbacea, Ligusticum mutellina; mosses Polytrichum sexangulare, Polytrichum juniperinum, Pohlia commutata, Kiaeria falcata (Dicranum falcatum), the liverwort Anthelia juratzkana or sometimes lichens. Also snow-patch communities of arctic and boreal mountains of Fennoscandia, the Scottish Highlands, Iceland, Greenland and other islands of the Norwegian and Greenland seas, formed of mats of mosses and lichens.