artemisia vulgaris, saponaria officinalis, setaria viridis, ceratodon purpureus, plantago lanceolata, digitaria sanguinalis, echium vulgare, eragrostis pilosa, hypericum perforatum, poa nemoralis, chenopodium album, daucus carota, galium album, melilotus albus, panicum capillare, populus nigra, sedum acre