text: spergula arvensis, chenopodium album, cirsium arvense, juncus bufonius, setaria viridis, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, echinochloa crus-galli, elymus repens, equisetum arvense, erodium cicutarium, fallopia convolvulus, galinsoga parviflora, gnaphalium uliginosum, myosotis arvensis, rumex acetosella, senecio vulgaris, veronica arvensis, viola arvensis