FloraVeg.EU

R12 Cryptogam- and annual-dominated vegetation on siliceous rock outcrops

Diagnostic taxa

Aira caryophyllea, Aphanes microcarpa, Arabidopsis thaliana, Arenaria serpyllifolia, Cerastium pumilum, Draba verna aggr., Erodium cicutarium, Gagea bohemica, Myosotis stricta, Oxalis dillenii, Poa bulbosa, Potentilla argentea, Potentilla tabernaemontani, Scleranthus perennis, Scleranthus polycarpos, Sedum acre, Sedum album, Sedum anglicum, Sedum rupestre aggr., Sedum sexangulare, Trifolium arvense, Veronica arvensis, Veronica verna, Vulpia bromoides

Bryophytes: Ceratodon purpureus

Constant taxa

Aira caryophyllea, Arabidopsis thaliana, Arenaria serpyllifolia, Bromus hordeaceus, Cerastium pumilum, Draba verna aggr., Echium vulgare, Erodium cicutarium, Eryngium campestre, Euphorbia cyparissias, Festuca ovina, Hypericum perforatum, Jasione montana, Myosotis ramosissima, Myosotis stricta, Petrorhagia prolifera, Pilosella officinarum, Plantago lanceolata, Poa bulbosa, Potentilla argentea, Potentilla tabernaemontani, Rumex acetosella, Sanguisorba minor aggr., Scleranthus perennis, Sedum acre, Sedum album, Sedum rupestre aggr., Sedum sexangulare, Thymus praecox, Trifolium arvense, Trifolium campestre, Veronica arvensis, Veronica verna, Vulpia bromoides

Bryophytes: Ceratodon purpureus, Hypnum cupressiforme aggr., Polytrichum piliferum, Racomitrium canescens aggr., Syntrichia ruralis aggr.

Dominant taxa

Poa bulbosa, Sedum album, Sedum anglicum

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.