artemisia vulgaris, melilotus albus, daucus carota, salix caprea, tortula muralis, achillea millefolium, elymus repens, populus canadensis, tanacetum vulgare, erigeron annuus, medicago lupulina, medicago sativa, poterium sanguisorba, vicia cracca, arenaria serpyllifolia, cirsium arvense, hieracium racemosum, holcus lanatus, medicago falcata, pimpinella saxifraga, poa compressa, solidago canadensis, melilotus officinalis