Reference

Gianni Sacchetti, Mauro Ballero, M. Serafini, Carlo Romagnoli, Alessandro Bruni, Carlo Romagnoli, Carlo Romagnoli, Ferruccio Poli (1999): Laticifer Tissue Distribution and Alkaloid Location in Vinca sardoa (STEARN) PIGN. (Apocynaceae), an Endemic Plant of Sardinia (Italy). – Phyton, Annales Rei Botanicae, Horn – 39_2: 265 - 275.