Fenno-Scandian polar willow snowbed communities

Description (English)

Snowbed communities of the boreal and arcto-alpine mountains of Scandinavia, characteristic of the edges of snowfields on calcareous often stone-littered soils with near-surface ground water or moisture in early spring and little or no solifluction, constituted by dense carpets of mosses and forbs in which Salix polaris dominates, often totally; the species cortège includes Salix reticulata, Polygonum viviparum (Bistorta vivipara), Erigeron uniflora, Omalotheca supina (Gnaphalium supinum), Minuartia biflora, Ranunculus pygmaeus, Saxifraga aizoides, Saxifraga cernua, Saxifraga stellaris, Saxifraga tenuis, Silene acaulis, Taraxacum croceum, Thalictrum alpinum, Tofieldia pusilla, Veronica alpina, Viola biflora, Carex lachenalii, Poa alpina f. vivipara and mosses.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code S2-1221

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Flowering Plants Carex lachenalii
Flowering Plants Gnaphalium supinum
Flowering Plants Minuartia biflora
Flowering Plants Omalotheca supina
Flowering Plants Polygonum viviparum
Flowering Plants Ranunculus pygmaeus
Flowering Plants Salix polaris
Flowering Plants Salix reticulata
Flowering Plants Saxifraga aizoides
Flowering Plants Saxifraga cernua
Flowering Plants Saxifraga stellaris
Flowering Plants Saxifraga tenuis
Flowering Plants Silene acaulis
Flowering Plants Taraxacum croceum
Flowering Plants Thalictrum alpinum
Flowering Plants Tofieldia pusilla
Flowering Plants Veronica alpina
Flowering Plants Viola biflora
Species scientific name English common name Species group
Carex lachenalii Flowering Plants
Gnaphalium supinum Flowering Plants
Minuartia biflora Flowering Plants
Omalotheca supina Flowering Plants
Polygonum viviparum Flowering Plants
Ranunculus pygmaeus Flowering Plants
Salix polaris Flowering Plants
Salix reticulata Flowering Plants
Saxifraga aizoides Flowering Plants
Saxifraga cernua Flowering Plants
Saxifraga stellaris Flowering Plants
Saxifraga tenuis Flowering Plants
Silene acaulis Flowering Plants
Taraxacum croceum Flowering Plants
Thalictrum alpinum Flowering Plants
Tofieldia pusilla Flowering Plants
Veronica alpina Flowering Plants
Viola biflora Flowering Plants

Other classifications

Not available For relation to plant communities (syntaxa), see Vegetation types

History

Classification Code Habitat type name Relationship type Comment
EUNIS Habitat Classification 2007 (revised descriptions 2012) F2.1221 Fenno-Scandian polar willow snowbed communities same
EUNIS Habitat Classification 200410 F2.1221 Fenno-Scandian polar willow snowbed communities same
EUNIS Habitat Classification 200308 F2.1221 Fenno-Scandian polar willow snowbed communities same
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