bromus tectorum, medicago lupulina, crepis foetida, erodium cicutarium, hordeum murinum, lolium perenne, arenaria serpyllifolia, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, erigeron canadensis, geranium pusillum, stellaria media, torilis arvensis, veronica polita, veronica sublobata