artemisia vulgaris, calamagrostis epigejos, chenopodium album, impatiens parviflora, agrostis capillaris, erysimum cheiranthoides, poa compressa, senecio viscosus, acer platanoides, amaranthus retroflexus, bidens frondosa, cirsium vulgare, epilobium tetragonum, erigeron canadensis, lactuca serriola, solidago canadensis, solidago gigantea, sonchus oleraceus, tussilago farfara, urtica dioica, achillea millefolium, bromus tectorum, dactylis glomerata, hypochaeris radicata, oxybasis glauca, persicaria lapathifolia, plantago major, sisymbrium officinale, stellaria media