anthemis arvensis, achillea setacea, sinapis arvensis, centaurea cyanus, agrostis capillaris, echium vulgare, convolvulus arvensis, elymus repens, cichorium intybus, cynosurus echinatus, holcus lanatus, rumex acetosella, spergularia rubra, trifolium repens, daucus carota, poa trivialis, agrostemma githago, chondrilla juncea, filago arvensis, erigeron canadensis