matricaria discoidea, lolium perenne, plantago major, poa pratensis, achillea millefolium, chenopodium album, elymus repens, plantago lanceolata, agrostis capillaris, berteroa incana, brassica napus, bromus hordeaceus, bromus sterilis, capsella bursa-pastoris, cichorium intybus, erigeron canadensis, galinsoga parviflora, lepidium ruderale, poa annua, reseda lutea, trifolium pratense, tripleurospermum inodorum