digitaria sanguinalis, echinochloa crus-galli, erigeron canadensis, setaria viridis, amaranthus powellii, chaenorhinum minus, eragrostis minor, euphorbia peplus, lactuca serriola, plantago major, senecio vulgaris, solanum nigrum, verbena officinalis, calystegia sepium, erigeron annuus, helianthus annuus, lythrum salicaria, oxalis stricta, plantago lanceolata, portulaca oleracea, robinia pseudoacacia, sonchus asper, acer negundo, potentilla reptans, verbascum thapsus