calamagrostis epigejos, elymus repens, agrostis gigantea, dactylis glomerata, erigeron canadensis, poa compressa, tripleurospermum inodorum, achillea millefolium, chenopodium album, cirsium arvense, cirsium vulgare, convolvulus arvensis, daucus carota, sonchus oleraceus, urtica dioica