androsace elongata, erigeron canadensis, arabidopsis thaliana, arrhenatherum elatius, bromus tectorum, capsella bursa-pastoris, cerastium glutinosum, daucus carota, descurainia sophia, echium vulgare, equisetum ramosissimum, falcaria vulgaris, holosteum umbellatum, reseda lutea, senecio vulgaris, sisymbrium altissimum