hordeum murinum, convolvulus arvensis, elymus repens, achillea millefolium, arrhenatherum elatius, capsella bursa-pastoris, cichorium intybus, dactylis glomerata, daucus carota, erigeron canadensis, galinsoga parviflora, lolium multiflorum, lolium perenne, matricaria chamomilla, medicago lupulina, poa annua, ranunculus acris, salvia nemorosa, silene latifolia, sisymbrium officinale, sonchus asper, sonchus oleraceus