| Plant tribe | Plant genus | Plant species | Part of plant | Region | Literature | Source |
| Carduoideae | Cirsium | arvense | Flowerhead | Switzerland | Merz (1994) | Breeding - Switzerland |
| palustre | Flowerhead | Switzerland | Merz (1994) | Breeding - Switzerland | ||
| vulgare | Flowerhead | Russia | Merz (1994) | Citation for foreign breed |