bromus hordeaceus, bromus tectorum, erigeron canadensis, medicago lupulina, artemisia vulgaris, capsella bursa-pastoris, convolvulus arvensis, elymus repens, eragrostis minor, lepidium draba, plantago major, poa annua, poa compressa, sonchus asper, tripleurospermum inodorum, amaranthus retroflexus, atriplex patula, silene latifolia