melilotus officinalis, melilotus albus, amaranthus retroflexus, arctium lappa, argentina anserina, artemisia campestris, artemisia vulgaris, carex hirta, centaurea jacea, chenopodium album, cichorium intybus, convolvulus arvensis, daucus carota, deschampsia cespitosa, echium vulgare, elymus repens, erigeron canadensis, fallopia convolvulus, festuca rubra, hypericum perforatum, lolium perenne, lotus corniculatus, medicago falcata, medicago lupulina, phleum pratense, plantago lanceolata, plantago major, poa compressa, ranunculus acris, ranunculus repens, scorzoneroides autumnalis, tanacetum vulgare