medicago lupulina, trifolium repens, agrostis stolonifera, erigeron canadensis, tripleurospermum inodorum, achillea millefolium, plantago lanceolata, poa pratensis, tussilago farfara, erigeron annuus, poa nemoralis, rumex crispus, sisymbrium loeselii, solidago canadensis, artemisia vulgaris, cirsium arvense, fallopia convolvulus, sisymbrium altissimum