erigeron canadensis, medicago lupulina, artemisia verlotiorum, artemisia vulgaris, erigeron sumatrensis, galium album, melilotus albus, picris hieracioides, polygonum aviculare, populus nigra, rumex obtusifolius, salix purpurea, symphyotrichum squamatum, bidens tripartita, chenopodiastrum murale, daucus carota, galega officinalis, helminthotheca echioides, melilotus officinalis, persicaria mitis, plantago media, saponaria officinalis, silene latifolia, sonchus asper, stachys palustris, trifolium pratense, verbascum sinuatum, verbena officinalis, xanthium orientale