corispermum intermedium, bromus tectorum, chenopodium album, erigeron canadensis, herniaria glabra, lepidium ruderale, poa compressa, setaria viridis, trifolium arvense, agrostis stolonifera, amaranthus retroflexus, anthemis arvensis, artemisia vulgaris, berteroa incana, descurainia sophia, digitaria sanguinalis, echium vulgare, eragrostis minor, erodium cicutarium, matricaria discoidea, medicago lupulina, melilotus albus, ononis arvensis, plantago arenaria, polygonum aviculare, rorippa anceps, rorippa sylvestris, senecio viscosus, sisymbrium altissimum, sonchus oleraceus