text: spergula arvensis, arabidopsis thaliana, centaurea cyanus, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, equisetum arvense, fallopia convolvulus, gnaphalium uliginosum, raphanus raphanistrum, rumex acetosella, scleranthus annuus, spergularia rubra, viola arvensis, capsella bursa-pastoris, cerastium holosteoides, geranium pusillum, myosotis arvensis