bassia scoparia, artemisia vulgaris, arrhenatherum elatius, calamagrostis epigejos, carduus acanthoides, chenopodium album, cirsium arvense, elymus repens, lolium perenne, achillea millefolium, amaranthus powellii, amaranthus retroflexus, atriplex sagittata, ballota nigra, bromus sterilis, chenopodium suecicum, convolvulus arvensis, coronilla varia, crepis capillaris, digitaria sanguinalis, eragrostis minor, erigeron canadensis, falcaria vulgaris, lepidium draba, lepidium ruderale, melilotus officinalis, picris hieracioides, poa pratensis, polygonum aviculare, reseda lutea, rumex crispus, silene vulgaris, solidago canadensis