poa annua, polygonum aviculare, potentilla supina, capsella bursa-pastoris, galinsoga parviflora, lysimachia arvensis, reseda lutea, tripleurospermum inodorum, erigeron canadensis, lipandra polysperma, medicago lupulina, plantago major, sisymbrium loeselii, amaranthus albus, cirsium arvense, herniaria hirsuta, scleranthus annuus, sonchus arvensis, trifolium repens, melilotus albus, rumex conglomeratus, rumex crispus, silene vulgaris, tussilago farfara