lolium perenne, plantago major, erigeron canadensis, matricaria discoidea, berteroa incana, achillea millefolium, argentina anserina, artemisia absinthium, artemisia vulgaris, chenopodium album, glechoma hederacea, lepidium ruderale, malva neglecta, plantago lanceolata, poa annua, poa pratensis, tripleurospermum inodorum