lepidium coronopus, polygonum aviculare, lolium perenne, poa annua, anthemis arvensis, bromus hordeaceus, capsella bursa-pastoris, cichorium intybus, convolvulus arvensis, cynodon dactylon, diplotaxis tenuifolia, euphorbia falcata, helminthotheca echioides, hordeum murinum, medicago lupulina, plantago major, stellaria media, verbena officinalis