arabidopsis thaliana, cirsium arvense, stellaria media, tripleurospermum inodorum, viola arvensis, apera spica-venti, draba verna, fallopia convolvulus, veronica sublobata, elymus repens, equisetum arvense, myosotis arvensis, vicia hirsuta, vicia tetrasperma, arenaria serpyllifolia, capsella bursa-pastoris, myosotis discolor, myosotis stricta, scleranthus annuus, veronica arvensis, vicia villosa