West Mediterranean siliceous grassland

West Mediterranean annual-rich grasslands of siliceous gravelly, sandy or silty, usually shallow, soils that remain cohesive during the dry season; characteristic are [Tuberaria guttata], [Helianthemum sanguineum], [Jasione montana], [Paronychia cymosa], [Paronychia echinulata], [Pterocephalus diandrus], [Prolongoa pectinata], [Senecio minutus], [Tolpis barbata], [Filago gallica], [Filago minima], [Teesdalia coronopifolia], [Sedum caespitosum], [Sedum arenarium], [Sedum andegavense], [Crassula tillaea], [Saxifraga carpetana], [Radiola linoides], [Silene gallica], [Silene psammitis], [Silene portensis], [Linum gallicum], [Linaria pelisseriana], [Linaria arvensis], [Plantago bellardii], [Galium divaricatum], [Trifolium cherleri], [Trifolium strictum], [Trifolium suffocatum], [Trifolium arvense], [Trifolium bocconei], [Trifolium purpureum], [Lathyrus angulatus], [Ornithopus pinnatus], [Ornithopus sativus], [Lupinus hispanicus], [Lupinus angustifolius], [Anthyllis cornicina], [Coronilla dura] and the grasses [Corynephorus divaricatus], [Aira cupaniana], [Aira tenorii], [Aira caryophyllea], [Airopsis tenella], [Molineria minuta], [Molineria laevis], [Vulpia geniculata], [Vulpia membranacea], [Vulpia bromoides], [Vulpia myuros], [Briza maxima], [Anthoxanthum aristatum], [Micropyrum tenellum].