solidago canadensis, calamagrostis epigejos, achillea millefolium, erigeron annuus, festuca rubra, holcus lanatus, tanacetum vulgare, arrhenatherum elatius, equisetum arvense, agrostis stolonifera, centaurea jacea, poa trivialis, rorippa amphibia, artemisia vulgaris, crepis biennis, vicia sepium