Dwarf annual siliceous grassland

Pioneer formations of typically dwarf annuals, often ephemeral and of very limited extent, characteristic in particular of fixed sands, of Atlantic, sub-Atlantic and supra-Mediterranean Europe, with [Aira caryophyllea], [Aira praecox], [Micropyrum tenellum] ([Nardurus lachenalii]), [Vulpia bromoides], [Vulpia myuros], [Trisetum ovatum], [Filago arvensis], [Filago gallica], [Filago lutescens], [Filago minima], [Filago pyramidata], [Filago vulgaris], [Spergula morisonii], [Hypochoeris glabra], [Evax carpetana], [Moenchia erecta], [Scleranthus polycarpos], [Teesdalia nudicaulis], [Myosotis discolor], [Myosotis stricta], [Linaria elegans], [Linaria amethystea], [Sedum lagascae], [Sedum pedicellatum], [Ornithopus perpusillus], [Trifolium striatum], [Trifolium arvense], [Trifolium dubium], [Trifolium campestre], [Trifolium micranthum], [Tuberaria guttata]; typical former crop-following species also find a refuge in these communities.