Vincetoxicum hirundinaria subsp. intermedium (Loret & Barrandon) Markgr., Bot. J. Linn. Soc. 64: 374 (1971).
Original Compiler: R.Govaerts
This name is Accepted by:
- Tutin, T.G. & al. (eds.) (1972). Flora Europaea 3: 1-370. Cambridge University Press.
- Greuter, W., Burdet, H.M. & Long, G. (eds.) (1984). Med-checklist 3: Dicotyledones (Convolvulaceae - Labiatae) 1: 1-330. Conservatoire et Jardin botaniques, Ville de Genève.