text: apera spica-venti, arabidopsis thaliana, centaurea cyanus, medicago lupulina, veronica triphyllos, capsella bursa-pastoris, chenopodium album, elymus repens, fallopia convolvulus, gnaphalium uliginosum, spergula arvensis, stellaria media, trifolium pratense, tripleurospermum inodorum, veronica arvensis, veronica hederifolia, vicia hirsuta, viola arvensis, arenaria serpyllifolia, cerastium holosteoides, cirsium arvense, crepis tectorum, equisetum arvense, geranium pusillum, myosotis arvensis, rumex acetosella, scleranthus annuus, thlaspi arvense, vicia sativa