FloraVeg.EU

R13 Cryptogam- and annual-dominated vegetation on calcareous and ultramafic rock outcrops

Diagnostic taxa

Alyssum alyssoides, Arenaria serpyllifolia, Cerastium pumilum, Cerastium semidecandrum, Clinopodium acinos, Draba verna aggr., Holosteum umbellatum, Hornungia petraea, Medicago minima, Poa compressa, Potentilla tabernaemontani, Saxifraga tridactylites, Sedum acre, Sedum album, Sedum sexangulare, Taraxacum sect. Erythrosperma

Bryophytes: Abietinella abietina, Didymodon fallax, Encalypta streptocarpa, Encalypta vulgaris, Flexitrichum flexicaule, Grimmia pulvinata, Homalothecium sericeum, Ptychostomum imbricatulum, Streblotrichum convolutum, Syntrichia ruralis aggr., Tortella inclinata

Lichens: Cladonia symphycarpia, Fulgensia bracteata, Peltigera rufescens, Toninia sedifolia

Constant taxa

Alyssum alyssoides, Arenaria leptoclados, Arenaria serpyllifolia, Artemisia campestris, Centaurea stoebe, Cerastium pumilum, Cerastium semidecandrum, Clinopodium acinos, Draba verna aggr., Echium vulgare, Erodium cicutarium, Euphorbia cyparissias, Festuca ovina, Galium verum, Holosteum umbellatum, Hornungia petraea, Medicago lupulina, Medicago minima, Plantago lanceolata, Poa bulbosa, Poa compressa, Potentilla tabernaemontani, Sanguisorba minor aggr., Saxifraga tridactylites, Sedum acre, Sedum album, Sedum sexangulare, Taraxacum sect. Erythrosperma, Teucrium chamaedrys, Veronica arvensis

Bryophytes: Abietinella abietina, Ceratodon purpureus, Flexitrichum flexicaule, Hypnum cupressiforme aggr., Syntrichia ruralis aggr., Tortella tortuosa

Dominant taxa

Poa bulbosa, Sedum album

Chytrý M., Tichý L., Hennekens S.M., Knollová I., Janssen J.A.M., Rodwell J.S. … Schaminée J.H.J. (2020) EUNIS Habitat Classification: expert system, characteristic species combinations and distribution maps of European habitats. Applied Vegetation Science 23: 648–675. https://doi.org/10.1111/avsc.12519

Version 2025-10-03, https://doi.org/10.5281/zenodo.16895007.

For the official presentation of the EUNIS Habitat Classification from the European Environment Agency, please see: EUNIS Terrestrial Habitat Classification 2021. The FloraVeg.EU presentation may show modifications and partial updates to the habitat classification.