Protected plant species in Switzerland
- Ordonnance sur la protection de la nature et du paysage 1991 (OPN; RS 451.1) Art. 20, 1er al.: Appendix 2
In 2001, Pro Natura has published a book on the protected plants in Switzerland (Authors: M. Vust & P. Galland).
Protected plant species in Europe
Council of Europe, ETS No. 104: "Bern Convention", 1979:
Appendix I:strictly protected plant species, 1992 and 1999 rev.
European Union, Directive Habitats, Faune & Flore 92/43/CEE, 1992:
- Annex II b: plant species of community interest whose conservation requires the designation of special areas of conservation,
- Annex IV b: plant species of community interest in need of strict protection.








