bromus tectorum, arenaria serpyllifolia, artemisia campestris, cirsium arvense, daucus carota, erigeron annuus, erigeron canadensis, erysimum cheiranthoides, festuca rubra, filago arvensis, lupinus polyphyllus, medicago lupulina, oenothera biennis, poa annua, rumex acetosella, silene vulgaris, tussilago farfara, viola arvensis