portulaca oleracea, setaria pumila, stellaria media, aristolochia clematitis, cirsium arvense, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, elymus repens, galinsoga parviflora, rubus caesius, setaria viridis, amaranthus retroflexus, capsella bursa-pastoris, chenopodium album, erigeron canadensis, lepidium draba, persicaria lapathifolia, rumex acetosa, senecio vernalis, senecio vulgaris, solanum nigrum, sonchus arvensis, sonchus oleraceus, symphytum officinale, vicia tetrasperma