The uses of 51 plants of Marche, Abruzzo and Latium, distributed in 28 families, are listed here. Memories and news of continued use of the plants in these sectors were collected from farmers and shepherds in person (mostly old people). The plants most frequently used as antiparasitics and repellents are Juglans regia, Lupinus albus, Ruta graveolens, Fraxinus ornus, Datura stramonium, Artemisia absinthium, Allium cepa, while R. graveolens, Cucurbita maxima, A. absinthium, Allium sativum are the most commonly used as antihelmintics.