text: centaurea cyanus, raphanus raphanistrum, tripleurospermum inodorum, apera spica-venti, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, draba verna, fallopia convolvulus, gnaphalium uliginosum, lysimachia arvensis, myosotis arvensis, papaver dubium, scleranthus annuus, spergula arvensis, veronica arvensis, veronica hederifolia, vicia sativa, viola arvensis, cirsium arvense, geranium pusillum, persicaria lapathifolia, plantago uliginosa, rumex acetosa