erigeron annuus, picris hieracioides, rubus caesius, artemisia vulgaris, bothriochloa ischaemum, carduus acanthoides, cirsium arvense, cornus sanguinea, coronilla varia, cytisus nigricans, daucus carota, dipsacus laciniatus, eupatorium cannabinum, inula helenium, medicago lupulina, melilotus albus, mentha longifolia, reseda lutea, solidago canadensis