brassica nigra, amaranthus retroflexus, arctium tomentosum, artemisia vulgaris, atriplex oblongifolia, bidens tripartita, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, galinsoga parviflora, malva sylvestris, persicaria lapathifolia, setaria viridis, sinapis arvensis, sonchus arvensis, sonchus oleraceus, tripleurospermum inodorum, urtica dioica