West Mediterranean and Dalmatian annual-rich grasslands of siliceous gravelly, sandy or silty, usually shallow, soils that remain cohesive during the dry season; they are rich in small Fabaceae, in particular of genera, Trifolium, Lathyrus, Ornithopus, Lupinus, Anthyllis, Coronilla and grasses of genera Corynephorus, Aira, Airopsis, Molineria, Vulpia, Briza, Anthoxanthum, Micropyrum; among characteristic species, shared by eastern and western formations, are Tuberaria guttata, Silene gallica, Linaria pelisseriana, Plantago bellardii, Galium divaricatum.