symphyotrichum tradescantii, arctium lappa, conium maculatum, daucus carota, amorpha fruticosa, artemisia vulgaris, bromus sterilis, calystegia sepium, chenopodium album, cirsium arvense, convolvulus arvensis, erigeron annuus, erigeron canadensis, lactuca serriola, rubus caesius, solidago gigantea, sonchus asper, sorghum halepense, xanthium strumarium