cirsium arvense, atriplex sagittata, erigeron canadensis, lactuca serriola, lolium pratense, poa pratensis, tripleurospermum inodorum, achillea millefolium, artemisia vulgaris, atriplex tatarica, ballota nigra, bromus sterilis, calamagrostis epigejos, carduus acanthoides, delphinium consolida, plantago major, sinapis arvensis, sisymbrium loeselii, tussilago farfara