Open, spring-blooming communities of annuals developed on deep sands of Iberia, of Mediterranean North Africa and, very locally, of southern France and Italy, with Malcolmia lacera, Malcolmia ramosissima, Anthyllis hamosa, Maresia nana, Erodium laciniatum, Erodium cicutarium ssp. bipinnatum, Arenaria emarginata, Hymenostemma pseudanthemis, Loeflingia baetica, Loeflingia spartea, Loeflingia tavaresiana, Loeflingia hispanica, Linaria donyana, Linaria pedunculata, Vulpia membranacea, Ononis variegata, Ononis baetica, Ononis cossoniana, Ononis subspicata, Coronilla repanda, Evax asterisciflora, Evax lusitanica, Leucojum trichophyllum. Coastal dune equivalents are classified as unit B1.48; while others occur on coastal gravel banks, see units B2.4 and B2.5.