Basionym Name:Gymnosporangium clavariiforme f. longissima Montem., Riv. Patol. veg. 10: 125 (1920)
Homotypic synonyms:Roestelia lacerata f. longissima (Montem.) Sacc. & Trotter, Syll. fung. (Abellini) 23: 817 (1925)