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Biotopes & milieux

Biotope - Typologie Européenne EUNIS

E4.34 - Niveau 4 : Pelouses acidophiles alpigènes
Description
Mostly closed Carex curvula, Festuca spp., Oreochloa spp. or Juncus trifidus grasslands on siliceous soils of the alpine level of the Alps, the Carpathians and the Pyrenees, with very local outposts in the great Hercynian ranges and the Cantabrian Range. Androsace obtusifolia, Androsace carnea ssp. laggeri, Campanula barbata, Juncus jacquinii, Juncus trifidus, Silene exscapa, Gentiana alpina, Achillea erba-rotta, Euphrasia minima, Luzula lutea, Luzula spicata, Luzula hispanica, Lychnis alpina, Minuartia recurva, Minuartia sedoides, Pedicularis kerneri, Pedicularis pyrenaica, Phyteuma globulariifolium, Phyteuma hemisphaericum, Potentilla frigida, Armeria alpina, Senecio incanus, Trifolium alpinum, Veronica bellidioides, Ranunculus pyrenaeus are characteristic.
Taxons (Liens actifs si espèces présentes)
Achillea erba-rotta All., 1773, Androsace carnea subsp. laggeri (A.L.P.Huet) Nyman, 1881, Androsace obtusifolia All., 1785, Armeria alpina Willd., 1809, Campanula barbata L., 1759, Euphrasia minima Jacq. ex DC., 1805, Festuca L., 1753, Gentiana alpina Vill., 1779, Juncus trifidus L., 1753, Luzula hispanica auct. non Chrtek & Křísa, 1965, Luzula lutea (All.) DC., 1805, Luzula spicata (L.) DC., 1805, Lychnis alpina L., 1753, Minuartia recurva (All.) Schinz & Thell., 1907, Minuartia sedoides (L.) Hiern, 1899, Oreochloa Link, 1827, Pedicularis kerneri Dalla Torre, 1882, Pedicularis pyrenaica J.Gay, 1832, Phyteuma globulariifolium Sternb. & Hoppe, 1818, Phyteuma hemisphaericum L., 1753, Potentilla frigida Vill., 1788, Ranunculus pyrenaeus Gouan, 1773, Senecio incanus Lapeyr., 1813, Silene exscapa All., 1785, Trifolium alpinum L., 1753, Veronica bellidioides L., 1753,
E4.344 - Niveau 5 : Gazons pyrénéens à Festuca borderi
Description
Subnival formations of the Pyrenees with Potentilla frigida, Erigeron uniflorus, Carex rupestris and many cushion plants such as Saxifraga bryoides, Saxifraga oppositifolia, Minuartia sedoides, Silene acaulis.
Taxons (Liens actifs si espèces présentes)
Carex rupestris All., 1785 ( Esp. caract. )
Erigeron uniflorus L., 1753 ( Esp. caract. )
Festuca borderei (Hack.) K.Richt., 1890 ( Esp. caract. )
Minuartia sedoides (L.) Hiern, 1899 ( Esp. caract. )
Potentilla frigida Vill., 1788 ( Esp. caract. )
Saxifraga bryoides L., 1753 ( Esp. caract. )
Saxifraga oppositifolia L., 1753 ( Esp. caract. )
Silene acaulis (L.) Jacq., 1762 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)