The vascular plants (plus one alga) collected during Iter Mediterraneum XII of OPTIMA in\ud
North Tunisia have been studied. In all, 1374 gatherings were made from 43 localities in the\ud
“Cap Bon” region, “Dorsale Tunisienne”, “Tunisie du Nord-Est”, “Vallée de la Medjedah”,\ud
“Mogods” and “Kroumirie” areas. They belong to 82 families and 539 species or subspecies.\ud
Three taxa are new for the flora of Tunisia (Cerastium diffusum subsp. gussonei, Senecio\ud
leucanthemifolius subsp. mauritanicus, and Ulmus minor subsp. canescens), 7 represent\ud
new records for the “Kroumirie”, 15 for the “Mogods”, 3 for the “Tunisie du Nord-Est”, 2\ud
for the “Dorsale Tunisienne”, and 8 for “Cap Bon