Invasive non-native plants

Solidago, butterfly bush, Japanese knotweed, Himalayan balsam, all these garden escapees are causing problems today because they are displacing our wild plants. These are aggressive plants that compete with other species, upsetting the local ecological balance.
The Conservatoire d'espaces naturels de Haute-Savoie, which manages the nature reserve, regularly calls on volunteers to uproot these invasive plants in order to preserve the local vegetation.