tripleurospermum inodorum, capsella bursa-pastoris, anthemis arvensis, centaurea cyanus, lactuca serriola, cichorium intybus, elymus repens, convolvulus arvensis, lolium perenne, bromus arvensis, chondrilla juncea, crepis setosa, papaver rhoeas, plantago lanceolata, tragopogon orientalis, vicia villosa, erigeron canadensis, filago arvensis, polygonum aviculare, potentilla argentea