melilotus albus, daucus carota, echium vulgare, erucastrum nasturtiifolium, hordeum murinum, jacobaea vulgaris, lotus corniculatus, medicago sativa, onobrychis viciifolia, papaver rhoeas, picris hieracioides, plantago lanceolata, rapistrum rugosum, reseda luteola, sambucus ebulus, sixalix atropurpurea, trifolium pratense, verbena officinalis, chenopodium album, phleum pratense, polygonum aviculare