Cryptogam- and annual-dominated vegetation on siliceous rock outcrops
Open pioneer grassland dominated by perennial succulents and annuals, with subordinate small tussock grasses, sometimes geophytes and often a prominent contingent of cryptogams. Typically forming small stands on very shallow and skeletal, impoverished, acid soils on siliceous rock outcrops, eroded slopes and disturbed or artificial habitats like soil heaps and wall tops, the habitat occurs throughout temperate and boreal Europe up to the subalpine belt, in situations where the permeable soils dry quickly in summer, but where spring rains can permit a quick flush of growth by the annuals.
Código Eunis 2021: R12
Especies características
Diagnósticas
Aira caryophyllea, Aphanes microcarpa, Draba verna, Gagea bohemica, Myosotis stricta, Oxalis dillenii, Potentilla tabernaemontani, Scleranthus perennis, Sedum album, Sedum rupestre, Trifolium arvense, Veronica verna,Dominantes
Sedum album,Constantes
Aira caryophyllea, Arabidopsis thaliana, Arenaria serpyllifolia, Bromus hordeaceus, Cerastium pumilum, Ceratodon purpureus, Draba verna, Echium vulgare, Erodium cicutarium, Eryngium campestre, Euphorbia cyparissias, Festuca ovina, Hypericum perforatum, Hypnum cupressiforme, Hypochaeris radicata, Jasione montana, Myosotis ramosissima, Myosotis stricta, Petrorhagia prolifera, Pilosella officinarum, Plantago lanceolata, Poa bulbosa, Polytrichum piliferum, Potentilla argentea, Potentilla tabernaemontani, Racomitrium canescens, Rumex acetosella, Sanguisorba minor, Scleranthus perennis, Sedum acre, Sedum album, Sedum anglicum, Sedum rupestre, Sedum sexangulare, Syntrichia ruralis, Thymus praecox, Trifolium arvense, Trifolium campestre, Veronica arvensis, Veronica verna, Vulpia bromoides,Correspondencia con códigos EUNIS 2012
Tipo de relación | Código EUNIS 2012 |
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< | E1.1 |
Hábitats de la Directiva Hábitats asociados
Tipo de relación | Hábitat del Anexo I de la Directiva Hábitats |
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> | 8230. Roquedos silíceos con vegetación pionera del Sedo-Scleranthion o del Sedo albi-Veronicion dillenii |