artemisia vulgaris, arctium minus, erigeron annuus, tanacetum vulgare, carex hirta, cirsium vulgare, lolium perenne, poa trivialis, agrostis capillaris, bidens tripartita, dactylis glomerata, holcus lanatus, lactuca serriola, melilotus albus, mentha longifolia, persicaria hydropiper, persicaria mitis, phalaris arundinacea, plantago lanceolata, plantago major, rudbeckia laciniata, setaria pumila, solidago gigantea, sonchus asper, trifolium hybridum, trifolium repens