poa annua, apera spica-venti, capsella bursa-pastoris, stellaria media, tripleurospermum inodorum, viola arvensis, aphanes arvensis, arabidopsis thaliana, centaurea cyanus, galinsoga parviflora, lamium purpureum, veronica arvensis, artemisia vulgaris, chenopodium album, fallopia convolvulus, geranium pusillum, gnaphalium uliginosum, lamium amplexicaule, lycopsis arvensis, matricaria discoidea, papaver rhoeas, plantago major, rumex crispus, veronica hederifolia, vicia hirsuta