eragrostis minor, panicum capillare, amaranthus blitoides, amaranthus crispus, amaranthus hybridus, amaranthus retroflexus, atriplex patula, atriplex tatarica, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, digitaria sanguinalis, erigeron canadensis, fallopia convolvulus, lepidium ruderale, polygonum aviculare, setaria pumila, setaria verticillata