tripleurospermum inodorum, chenopodium album, elymus repens, lipandra polysperma, persicaria lapathifolia, poa annua, cirsium arvense, matricaria discoidea, persicaria maculosa, senecio viscosus, sinapis arvensis, stellaria aquatica, tussilago farfara, chenopodium suecicum, sonchus oleraceus