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Rescue of Viola hispida and Biscutella neustriaca on the Seine Valley (Violette et Biscutelle)
Date du début: 7 août 2006, Date de fin: 31 oct. 2012,
Background
The violet of Rouen (Viola hispida) and Biscutella neustriaca are two endangered and endemic plant species of the calcereous grasslands Seine valley in Haute-Normandie. Their distribution is restricted to just two Natura 2000 sites and the populations are threatened by extinction. The main threats are the regression of their habitats, the very ...
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