artemisia vulgaris, amaranthus retroflexus, atriplex patula, barbarea vulgaris, brassica nigra, chenopodium album, convolvulus arvensis, datura stramonium, daucus carota, echinops sphaerocephalus, erigeron canadensis, galinsoga parviflora, herniaria glabra, lipandra polysperma, persicaria lapathifolia, phalaris arundinacea, portulaca oleracea, rorippa sylvestris, rumex obtusifolius, sisymbrium officinale, sonchus asper, tanacetum vulgare, tripleurospermum inodorum, urtica dioica, verbascum densiflorum