poa annua, viola arvensis, ranunculus repens, stellaria media, apera spica-venti, capsella bursa-pastoris, arabidopsis thaliana, elymus repens, lamium amplexicaule, myosotis arvensis, scleranthus annuus, tripleurospermum inodorum, veronica hederifolia, arenaria serpyllifolia, artemisia vulgaris, holosteum umbellatum, lycopsis arvensis, veronica arvensis