sisymbrium altissimum, erigeron canadensis, artemisia vulgaris, calamagrostis epigejos, cirsium arvense, elymus repens, melilotus officinalis, poa compressa, achillea millefolium, arrhenatherum elatius, bromus tectorum, centaurea stoebe, crepis foetida, festuca ovina, lactuca serriola, lepidium densiflorum, pastinaca sativa, solidago canadensis