8-9 km W of Velingrad, in the valley formed by Lukovica. S-facing dry slopes N of the stream with Quercus, Fraxinus ornus, and Pinus (planted). Large areas with outcropping rocks with small pasture-like wet areas.
Sillars (France, Vienne), très abondant dans deux prairies artificielles, route de Lussac-les-Châteaux à Montmorillon, cotéS, à 700-800 m à l'W de la Chambu.