atriplex sagittata, bromus tectorum, erigeron canadensis, lepidium ruderale, poa pratensis, sisymbrium loeselii, tripleurospermum inodorum, achillea millefolium, amaranthus retroflexus, calamagrostis epigejos, capsella bursa-pastoris, carduus acanthoides, erysimum marschallianum, raphanus raphanistrum, sonchus oleraceus