| Plant tribe | Plant genus | Plant species | Part of plant | Region | Literature | Source |
| Carduoideae | Carduus | crispus | Flowerhead | Switzerland | Merz (1994) | Breeding - Switzerland |
| defloratus | Flowerhead | Merz (1994) | Citation for foreign breed | |||
| Cirsium | eriophorum | Flowerhead | Merz (1994) | Citation for foreign breed | ||
| palustre | Flowerhead | Merz (1994) | Citation for foreign breed |