Sparsely vegetated weathered rock and outcrop habitats
Description (English)
Rocks and outcrops colonised by pioneer communities, especially of Crassulaceae. Vegetation of the alliance Sedo-Scleranthion biennis. Substrates are mostly siliceous, occurring in the upland and montane levels of the nemoral zone. The communities are dominated by succulent Sempervivum, Jovibarba and Sedum species accompanied by Silene rupestris, Erophila verna, Scleranthus polycarpos, Veronica fruticans, Thymus praecox ssp. polytrichus, Viola tricolor ssp. saxatilis, by small crucifers, lichens and mosses Polytrichum piliferum and Racomitrium canescens.
Source: EUNIS habitat classification
Quick facts
| EUNIS habitat type | code H3.62 |
|---|
Vegetation types
Relation to vegetation types (syntaxa)
Not availableSpecies mentioned in habitat description
Flowering Plants
Erophila verna
Flowering Plants
Scleranthus polycarpos
Flowering Plants
Silene rupestris
Flowering Plants
Veronica fruticans
Mosses & Liverworts
Polytrichum piliferum
Mosses & Liverworts
Racomitrium canescens
| Species scientific name | English common name | Species group |
|---|---|---|
| Erophila verna | Flowering Plants | |
| Scleranthus polycarpos | Flowering Plants | |
| Silene rupestris | Flowering Plants | |
| Veronica fruticans | Flowering Plants | |
| Polytrichum piliferum | Mosses & Liverworts | |
| Racomitrium canescens | Mosses & Liverworts |
Other classifications
| Classification | Code | Habitat type name | Relationship type |
|---|---|---|---|
| Palaearctic Habitat Classification 200112 | 36.2 | Alpine weathered rock and outcrop communities | overlap |
| CORINE Land Cover | 3.3.3. | Sparsely vegetated areas | n/a |
| Milieux Naturels de Suisse 1998 | 4.1.4 | Végétation des dalles siliceuses de montagne | same |
History
| Classification | Code | Habitat type name | Relationship type |
|---|---|---|---|
| EUNIS Habitat Classification 200410 | H3.62 | Sparsely vegetated weathered rock and outcrop habitats | same |
| EUNIS Habitat Classification 200308 | H3.62 | Sparsely vegetated weathered rock and outcrop habitats | same |
| EUNIS Habitat Classification 200202 | H3.62 | Sparsely vegetated weathered rock and outcrop habitats | same |
