text: persicaria hydropiper, arabidopsis thaliana, equisetum arvense, fallopia convolvulus, galeopsis tetrahit, galium aparine, juncus bufonius, lapsana communis, lycopsis arvensis, mentha arvensis, myosotis arvensis, raphanus raphanistrum, sagina procumbens, spergula arvensis, stellaria media, tripleurospermum inodorum, veronica persica, vicia hirsuta, chenopodium album, elymus repens, gnaphalium uliginosum, lamium purpureum, persicaria maculosa, sonchus asper, vicia sativa