descurainia sophia, capsella bursa-pastoris, chenopodium album, agropyron cristatum, atriplex oblongifolia, bassia prostrata, bromus tectorum, cerastium pumilum, convolvulus arvensis, cynodon dactylon, echium vulgare, erigeron canadensis, erodium cicutarium, hordeum murinum, lamium amplexicaule, lepidium draba, linaria vulgaris, melilotus officinalis, oxybasis urbica, poa annua, xanthium strumarium