Diagnostic taxa

Helianthemum salicifolium, Hippocrepis ciliata, Medicago minima, Polygala monspeliaca, Trifolium scabrum, Linum strictum aggr., Euphorbia exigua, Clypeola jonthlaspi, Stipa capensis, Aegilops geniculata, Arenaria obtusiflora, Catapodium rigidum, Arenaria leptoclados, Plantago afra, Minuartia hybrida aggr., Filago pyramidata, Galium parisiense, Campanula fastigiata, Hypochaeris achyrophorus, Campanula erinus, Asteriscus aquaticus, Neatostema apulum, Trachynia distachya, Hornungia petraea, Ononis reclinata, Vulpia unilateralis, Asterolinon linum-stellatum, Bombycilaena erecta, Cleonia lusitanica

Constant taxa

Helianthemum salicifolium, Hippocrepis ciliata, Medicago minima, Scorpiurus muricatus, Trifolium campestre, Trifolium scabrum, Trifolium stellatum, Linum strictum aggr., Euphorbia exigua, Draba verna aggr., Stipa capensis, Erodium cicutarium, Aegilops geniculata, Avena barbata, Arenaria serpyllifolia, Cerastium pumilum, Catapodium rigidum, Arenaria leptoclados, Plantago afra, Minuartia hybrida aggr., Sideritis romana, Filago pyramidata, Galium parisiense, Hedypnois rhagadioloides, Hypochaeris achyrophorus, Leontodon saxatilis, Campanula erinus, Anagallis arvensis, Neatostema apulum, Vulpia ciliata, Trachynia distachya, Hornungia petraea, Ononis reclinata, Sherardia arvensis, Asterolinon linum-stellatum, Bombycilaena erecta