artemisia vulgaris, elymus repens, dactylis glomerata, achillea millefolium, cichorium intybus, cynodon dactylon, daucus carota, erigeron canadensis, foeniculum vulgare, helminthotheca echioides, melilotus albus, pastinaca sativa, plantago lanceolata, poa trivialis, verbena officinalis