Formations, mostly of Mediterranean and thermo-Atlantic coasts and lowlands, dominated by Tamarix spp..
Tamarix gallica, T. africana or T. canariensis thickets of water-course galleries, humid depressions and slightly saline coastal flats in Iberia, southern and western France, peninsular Italy, the Balearics, Corsica, Sardinia and Sicily. The accompanying flora comprises Scirpus holoschoenus, Saccharum ravennae, Arundo donax, Brachypodium phoenicoidis, Piptatherum miliaceum, Asparagus acutifolius, Equisetum ramosissimum, Rubia peregrina, R. longifolia, R. angustifolia, Dittrichia viscosa.