ambrosia artemisiifolia, ranunculus repens, symphytum officinale, calystegia sepium, cirsium arvense, convolvulus arvensis, setaria pumila, erigeron annuus, erigeron canadensis, oxalis stricta, persicaria lapathifolia, plantago major, sorghum halepense, trifolium pratense, tripleurospermum inodorum, verbena officinalis