sisymbrium loeselii, capsella bursa-pastoris, erysimum cheiranthoides, geranium pusillum, tripleurospermum inodorum, achillea millefolium, artemisia vulgaris, bromus tectorum, cirsium arvense, erigeron canadensis, lepidium ruderale, malva neglecta, plantago major, poa pratensis, stellaria media, trifolium repens