artemisia vulgaris, erigeron canadensis, arenaria serpyllifolia, chenopodium album, dactylis glomerata, elymus repens, viola arvensis, acer platanoides, agrostis capillaris, bromus tectorum, daucus carota, fallopia convolvulus, geranium molle, hypochaeris radicata, jasione montana, matricaria discoidea, medicago lupulina, melilotus albus, papaver dubium, poa annua, rumex acetosella, scorzoneroides autumnalis, setaria viridis, trifolium arvense