text: hordeum distichon, matricaria chamomilla, veronica persica, arabidopsis thaliana, brassica napus, capsella bursa-pastoris, elymus repens, galium aparine, geranium pusillum, lamium purpureum, matricaria discoidea, myosotis arvensis, papaver rhoeas, poa pratensis, stellaria media, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, viola arvensis, descurainia sophia, fallopia convolvulus, fumaria officinalis, lamium amplexicaule, vicia tetrasperma