atriplex sagittata, bromus tectorum, chenopodium album, erigeron canadensis, lolium perenne, artemisia vulgaris, atriplex patula, chenopodiastrum hybridum, erysimum cheiranthoides, lepidium draba, melilotus albus, poa annua, raphanus raphanistrum, rumex crispus, senecio vulgaris, sisymbrium loeselii, stellaria media, tripleurospermum inodorum