Ritrovamento di Paysandisia archon (Lepidoptera, Castniidae) in Sicilia

Morfologia, cariologia e anatomia fogliare nel genere Dittrichia Greuter (Asteraceae)

All five species of the genus Dittrichia were examined as regards their morphology, karyology and anatomy particularly referred to the leaf istology and micromorphology. Two different analytical keys were elaborated basing on morphological features and leaf anatomy and micromorphology characters.