Prima segnalazione di Caulerpa racemosa (Forsskal) J. Agardh sulla costa tirrenica calabrese

First occurence of Caulerpa racemosa (Forsskål) J. Agardh on the Thyrrenian calabrian coast. The occurence of Caulerpa racemosa (Forsskål) J.Agardh in the Torre Ruffa area near Capo Vaticano (Cosenza) (Southern Tyrrenian Sea, Italy) is reported. This is the first record on the Calabrian coast.