text: persicaria hydropiper, digitaria ischaemum, ranunculus repens, stellaria media, aphanes arvensis, arabidopsis thaliana, capsella bursa-pastoris, cerastium glomeratum, fallopia convolvulus, galeopsis tetrahit, gnaphalium uliginosum, myosotis arvensis, oxalis stricta, persicaria maculosa, setaria pumila, sonchus asper, spergula arvensis, veronica arvensis, veronica persica