chenopodium suecicum, poa annua, tripleurospermum inodorum, capsella bursa-pastoris, chenopodium album, artemisia vulgaris, plantago major, poa compressa, senecio vulgaris, sisymbrium altissimum, solanum nigrum, sonchus oleraceus, amaranthus retroflexus, impatiens parviflora, tussilago farfara, urtica dioica