atriplex sagittata, lolium perenne, calamagrostis epigejos, carduus acanthoides, cirsium arvense, poa annua, poa palustris, polygonum aviculare, tripleurospermum inodorum, achillea millefolium, amaranthus retroflexus, arrhenatherum elatius, ballota nigra, cichorium intybus, convolvulus arvensis, dactylis glomerata, erigeron canadensis, lactuca serriola, leonurus cardiaca, lepidium ruderale, plantago lanceolata, plantago media, sisymbrium officinale, solanum tuberosum, sonchus oleraceus, capsella bursa-pastoris, chenopodium suecicum, crepis foetida, daucus carota, fumaria officinalis, galinsoga parviflora, medicago lupulina, plantago major, potentilla reptans