InfoFlora
General questions on invasive alien plants and individual species (identification, action), straightforward legal questions, sighting and/or damage reports:
neobiota[at]infoflora.ch
Federal Office for the Environment (FOEN)
General and legal questions on invasive alien plants/species:
contact.releases[at]bafu.admin.ch
Cantonal and other specialist bodies
– Control in the cantons: Cercle Exotique
– Populations in nature reserves and semi-natural areas: cantonal nature conservation offices
– Populations on agricultural land: cantonal plant protection services
See also: useful links