Cryptogam- and annual-dominated vegetation on calcareous and ultramafic rock outcrops
Description (English)
Open pioneer grassland with perennial succulents and spring annuals, subordinate small tussock grasses and herbs, and often with a very prominent and rich contingent of cryptogams. Typically found in small patches on very shallow and skeletal, impoverished, base-rich soils on a wide variety of base-rich and sometimes ultramafic bedrocks, and similar artificial habitats like quarry spoil and wall-tops. It is found from the hemiboreal to the submediterranean zone, occurring mainly at higher altitudes further south.
Source: EUNIS habitat classification
Quick facts
| EUNIS habitat type | code R13 |
|---|---|
| Relation to | Resolution 4 habitat type (used for designation of Emerald sites) |
Legal status
Relation to other habitat types mentioned in legal instruments
Vegetation types
Relation to vegetation types (syntaxa)
Not availableIndicator species
Flowering Plants
Saxifraga tridactylites
Flowering Plants
Arenaria serpyllifolia
Flowering Plants
Sedum acre
Flowering Plants
Sedum album
Flowering Plants
Alyssum alyssoides
Mosses & Liverworts
Abietinella abietina
Mosses & Liverworts
Homalothecium sericeum
Flowering Plants
Hornungia petraea
Flowering Plants
Poa compressa
Diagnostic species occur concentrated in the habitat in question, but are absent or rare in other habitats. They are good positive indicators of the habitat, but they do not need to occur in every location of the habitat.
| Species scientific name | English common name | Species group |
|---|---|---|
| Saxifraga tridactylites | Flowering Plants | |
| Arenaria serpyllifolia | Flowering Plants | |
| Sedum acre | Flowering Plants | |
| Sedum album | Flowering Plants | |
| Alyssum alyssoides | Flowering Plants | |
| Abietinella abietina | Mosses & Liverworts | |
| Homalothecium sericeum | Mosses & Liverworts | |
| Hornungia petraea | Flowering Plants | |
| Poa compressa | Flowering Plants |
Flowering Plants
Arenaria serpyllifolia
Flowering Plants
Sedum album
Flowering Plants
Sedum acre
Flowering Plants
Poa bulbosa
Flowering Plants
Saxifraga tridactylites
Flowering Plants
Medicago minima
Flowering Plants
Sanguisorba minor
Flowering Plants
Potentilla tabernaemontani
Flowering Plants
Poa compressa
Flowering Plants
Alyssum alyssoides
Mosses & Liverworts
Syntrichia ruralis
Flowering Plants
Euphorbia cyparissias
Flowering Plants
Cerastium semidecandrum
Flowering Plants
Cerastium pumilum
Flowering Plants
Veronica arvensis
Flowering Plants
Sedum sexangulare
Flowering Plants
Erodium cicutarium
Flowering Plants
Echium vulgare
Constant species occur frequently in the habitat, but they may include generalist species that are also frequent in other habitats.
| Species scientific name | English common name | Species group |
|---|---|---|
| Arenaria serpyllifolia | Flowering Plants | |
| Sedum album | Flowering Plants | |
| Sedum acre | Flowering Plants | |
| Poa bulbosa | Flowering Plants | |
| Saxifraga tridactylites | Flowering Plants | |
| Medicago minima | Flowering Plants | |
| Sanguisorba minor | Flowering Plants | |
| Potentilla tabernaemontani | Flowering Plants | |
| Poa compressa | Flowering Plants | |
| Alyssum alyssoides | Flowering Plants | |
| Syntrichia ruralis | Mosses & Liverworts | |
| Euphorbia cyparissias | Flowering Plants | |
| Cerastium semidecandrum | Flowering Plants | |
| Cerastium pumilum | Flowering Plants | |
| Veronica arvensis | Flowering Plants | |
| Sedum sexangulare | Flowering Plants | |
| Erodium cicutarium | Flowering Plants | |
| Echium vulgare | Flowering Plants |
Flowering Plants
Sedum album
Dominant species are those that often reach high cover in the habitat, thus determining the habitat physiognomy.
| Species scientific name | English common name | Species group |
|---|---|---|
| Sedum album | Flowering Plants |
Other classifications
| Classification | Code | Habitat type name | Relationship type |
|---|---|---|---|
| EUNIS Habitat Classification 2007 (revised descriptions 2012) | E1.1 | Inland sand and rock with open vegetation | narrower |
| European Red List of Habitats | E1.1d | Cryptogam- and annual-dominated vegetation on calcareous and ultramafic rock outcrops | same |
History
| Classification | Code | Habitat type name | Relationship type | Comment |
|---|---|---|---|---|
| EUNIS Habitat Classification 200410 | E1.1 | Inland sand and rock with open vegetation | same | |
| EUNIS Habitat Classification 200308 | E1.1 | Open thermophile pioneer vegetation of sandy or detritic ground | same | |
| EUNIS Habitat Classification 200202 | E1.1 | Open thermophile pioneer vegetation of sandy or detritic ground | same | |
| EUNIS Habitat Classification 199910 | E1.1 | Open thermophile pioneer vegetation of sandy or detritic ground | same | |
| EUNIS Habitat Classification 199811 | E1.1 | Open thermophile grasslands of sandy or detritic ground | same | |
| EUNIS Habitat Classification 199712 | E1.3 | Open thermophile grasslands of sandy or detritic ground | same | |
| Palaearctic Habitat Classification 199905 | 34.1 | Middle European pioneer swards | same | |
| Palaearctic Habitat Classification 1997 | 34.1 | Middle European pioneer swards | same | |
| Palaearctic Habitat Classification 1996 | 34.1 | same | ||
| Palaearctic Habitat Classification 1993 | 34.1 | same | ||
| CORINE Biotopes Classification 1991 | 34.1 | same | ||
| CORINE Biotopes Classification 1989 | 34.1 | same |
