senecio viscosus, chenopodium album, amaranthus hybridus, amaranthus retroflexus, bromus tectorum, calamagrostis epigejos, epilobium tetragonum, erysimum cheiranthoides, fallopia convolvulus, impatiens parviflora, poa annua, poa compressa, polygonum aviculare, rumex acetosa, sisymbrium altissimum, sonchus oleraceus, tussilago farfara, achillea millefolium, atriplex patula, crepis biennis, lolium pratense, persicaria lapathifolia, populus nigra