Vinca difformis difformis, Taxa Only, Exact Match: 2 Treatments

Vinca difformis subsp. difformis			Islands, Pontine, Conti, Lazio Fabio & Giacanelli, Valeria, 2023, Short communication Contribution to the vascular flora of Ventotene and Santo Stefano islands (Pontine Islands, Lazio, Italy) with two taxa new to Lazio, Natural History Sciences 10 (1), pp. 83-86 : 84	84
Vinca difformis subsp. difformis			Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1972, Flora Europaea. Volume 3. Diapensiacea to Myoporaceae, Cambridge: Cambridge University Press : 69	69