text: hordeum murinum, lolium perenne, poa annua, bromus sterilis, centaurea calcitrapa, convolvulus arvensis, malva sylvestris, arctium minus, bromus diandrus, bromus hordeaceus, helminthotheca echioides, papaver rhoeas, rumex conglomeratus, rumex crispus, sisymbrium officinale, trifolium repens, urtica dioica