oxybasis rubra, amaranthus retroflexus, artemisia vulgaris, chenopodium album, cirsium arvense, echinochloa crus-galli, euphorbia helioscopia, galinsoga quadriradiata, oxybasis glauca, persicaria lapathifolia, poa annua, portulaca oleracea, ranunculus repens, senecio vulgaris, setaria pumila, solanum nigrum, sonchus asper, stellaria media, plantago major