agrostis stolonifera, dactylis glomerata, elymus athericus, helminthotheca echioides, medicago sativa, sonchus arvensis, avena barbata, bromus madritensis, cota tinctoria, daucus carota, linum corymbulosum, picris hieracioides, rapistrum rugosum, reichardia picroides, scorzonera laciniata, sixalix maritima, tussilago farfara, ulmus minor