erigeron canadensis, agrostis capillaris, setaria viridis, calamagrostis epigejos, elymus repens, rumex acetosella, trifolium arvense, carex hirta, filago arvensis, hordeum murinum, jasione montana, oenothera biennis, poa pratensis, potentilla heptaphylla, senecio vulgaris, convolvulus arvensis