Vincetoxicum nivale Boiss. & Heldr. in Boissier, Diagn. Pl. Orient. 7: 20. 1846
Vincetoxicum nivale in Boissier, Diagn. Pl. Orient. 7: 20. 1846
is basionym for Vincetoxicum hirundinaria subsp. nivale in Bot. J. Linn. Soc. 64: 375. 1971
is basionym for Cynanchum nivale, Syll. Fl. Eur.: 108. 1855