erigeron canadensis, echium vulgare, artemisia absinthium, convolvulus arvensis, erigeron acris, falcaria vulgaris, lathyrus tuberosus, atriplex tatarica, ballota nigra, berteroa incana, bromus tectorum, carduus acanthoides, cynanchica pyrenaica, delphinium consolida, euphorbia esula, lophiolepis ukranica, nigella arvensis, picris hieracioides, poa angustifolia, polygonum aviculare, setaria viridis, sisymbrium loeselii, ambrosia artemisiifolia, elymus repens, lepidium ruderale