apera spica-venti, poa annua, arabidopsis thaliana, stellaria media, capsella bursa-pastoris, holosteum umbellatum, viola arvensis, cerastium holosteoides, lamium amplexicaule, myosotis arvensis, papaver rhoeas, veronica hederifolia, veronica triphyllos, galium aparine, lycopsis arvensis, roemeria argemone, veronica arvensis