tanacetum vulgare, artemisia vulgaris, cirsium arvense, poa pratensis, daucus carota, elymus repens, robinia pseudoacacia, cirsium vulgare, plantago major, poa annua, populus tremula, achillea millefolium, echinops sphaerocephalus, erigeron canadensis, melilotus officinalis, senecio viscosus, sisymbrium loeselii