solidago canadensis, artemisia vulgaris, equisetum arvense, erigeron annuus, agrimonia eupatoria, cirsium arvense, daucus carota, elymus repens, tanacetum vulgare, achillea collina, bidens tripartita, centaurea jacea, convolvulus arvensis, crepis biennis, epilobium parviflorum, leucanthemum vulgare, poa compressa, setaria viridis