| Plant tribe | Plant genus | Plant species | Part of plant | Region | Literature | Source |
| Carduoideae | Carduus | acanthoides | Flowerhead | Merz (1994) | Breeding - not Switzerland | |
| crispus | Flowerhead | Switzerland | Merz (1994) | Breeding - Switzerland | ||
| defloratus | Flowerhead | Switzerland | Merz (1994) | Breeding - Switzerland | ||
| personata | Flowerhead | Switzerland | Merz (1994) | Breeding - Switzerland |