cyclachaena xanthiifolia, artemisia vulgaris, chenopodium album, agrostis stolonifera, amaranthus retroflexus, atriplex tatarica, calamagrostis epigejos, elymus repens, lolium perenne, poa palustris, poa pratensis, polygonum aviculare, sisymbrium altissimum, tripleurospermum inodorum, amaranthus albus, arctium lappa, atriplex sagittata, ballota nigra, bromus sterilis, bromus tectorum, carduus acanthoides, cirsium arvense, cirsium vulgare, datura stramonium, erigeron canadensis, erysimum cheiranthoides, galinsoga parviflora, lactuca serriola, lepidium ruderale, nepeta cataria, saponaria officinalis, sisymbrium loeselii, sisymbrium officinale, solanum nigrum, solidago canadensis, sonchus oleraceus, verbascum phlomoides