Thesium bergeri, eine Art des östlichen Mittelmeergebietes

Nomenclatural, diagnostical and taxonomic treatment of Thesium bergerii Zuccarini 1837 is presented, and the species' distribution is summarized . A special attention is paid to the northernmost locality in Macedonia, having been overlooked up to now, and to the southernmost occurrence in Egypt, which is assumed to be of a secondary character.