sisymbrium loeselii, bromus sterilis, convolvulus arvensis, capsella bursa-pastoris, chenopodium album, elymus repens, erigeron canadensis, geranium dissectum, geranium pusillum, lactuca serriola, oenothera biennis, poa annua, senecio vulgaris, stellaria media, tripleurospermum inodorum