artemisia vulgaris, poa trivialis, sonchus oleraceus, arenaria serpyllifolia, atriplex sagittata, bromus sterilis, bromus tectorum, calamagrostis epigejos, carex hirta, cerastium holosteoides, chaenorhinum minus, chelidonium majus, cirsium vulgare, clematis vitalba, daucus carota, elymus repens, erigeron canadensis, galium aparine, hordeum murinum, melilotus albus, poa annua, poa compressa, poa pratensis, populus canadensis, potentilla norvegica, potentilla reptans, senecio viscosus, sisymbrium altissimum, sisymbrium officinale, solidago canadensis, solidago gigantea, tussilago farfara, verbascum thapsus, vitis vinifera, aethusa cynapium, apera spica-venti