The Geo-database of the populations of Leopoldia gussonei has been completed; three main shelter areas of Leopoldia gussonei have been surveyed: the first Site is Poggio Arena (Gela) hosting a population of 4000 individuals; the second Site is the area Macconi of Gela (Santa Lucia, Cava Cammarana, Biviere of Gela and C.da Mignechi) hosting more than 4000 individuals; the third Site is in Ragusa (Passo Marinaro, Pineta di Vittoria) giving shelter to about 3000 individuals. We have geographical coordinates and some ecological data of each population.