U3-B - Falaises continentales ultramafiques méditerranéennes

Mediterranean ultramafic inland cliff

Classification des habitats EUNIS 2022

Descriptif de l'habitat

Ultramafic rocks and cliffs away from the coast in the Mediterranean have a very scattered distribution and sustain a sparse but highly distinctive flora of a few ferns, seed plants and cryptogams especially adapted for growing in the fissures and crevices of this specific substrate.

Espèces diagnostiques

Festucopsis serpentini, Viola magellensis, Odontarrhena bertolonii, Sesleria coerulans, Asplenium adiantum-nigrum subsp. serpentini, Cardamine pancicii, Silene schwarzenbergeri, Erysimum kuemmerlei, Hypericum spruneri, Centaurea micrantha, Reseda virgata, Leontodon asperrimus, Trigonella balansae, Armeria langei, Linum elegans, Genista hassertiana, Potentilla apennina, Silene parnassica, Amphoricarpos neumayerianus, Crepis conyzifolia

Espèces constantes

Festucopsis serpentini, Sedum album, Viola magellensis, Sesleria coerulans, Asplenium adiantum-nigrum subsp. serpentini, Odontarrhena bertolonii, Minuartia verna aggr., Dianthus sylvestris, Asplenium ceterach, Tuberaria guttata, Trigonella balansae, Trifolium arvense, Tortella tortuosa, Silene schwarzenbergeri, Silene parnassica, Silene multicaulis, Silene armeria, Sedum rupestre, Rumex scutatus, Reseda virgata

Bibliographie

 European Topic Centre on Biological Diversity, 2021. EUNIS terrestrial habitat classification 2021 including crosswalks. ETC/BD-EEA. Table Excel transmise par S. Hennekens (Alterra) le 14/02/2022. (Source)