hordeum distichon, arabidopsis thaliana, centaurea cyanus, capsella bursa-pastoris, cerastium glomeratum, cirsium arvense, elymus repens, euphorbia helioscopia, galium aparine, geranium pusillum, lamium purpureum, myosotis arvensis, poa annua, ranunculus repens, stellaria media, tripleurospermum inodorum, veronica agrestis, veronica arvensis, veronica persica, viola arvensis, brassica napus, lolium perenne, poa pratensis, vicia tetrasperma