stellaria media, tripleurospermum inodorum, apera spica-venti, capsella bursa-pastoris, elymus repens, poa annua, viola arvensis, aphanes arvensis, euphorbia helioscopia, scleranthus annuus, arabidopsis thaliana, centaurea cyanus, draba verna, myosotis stricta, papaver rhoeas, veronica polita, vicia hirsuta