Hybride brème-gardon

l'Ognon 7 obs. la Vilaine 5 obs. Rivière Sensée 5 obs. Le Touyre 5 obs. le Semnon 4 obs. l'Erve 3 obs. La Meuse 3 obs. la Loire 3 obs. l'Indre 3 obs. le Cher 3 obs.