text: stellaria media, arabidopsis thaliana, chenopodium album, fallopia convolvulus, poa annua, veronica persica, centaurea cyanus, cirsium arvense, gnaphalium uliginosum, lycopsis arvensis, matricaria chamomilla, persicaria lapathifolia, plantago uliginosa, sagina procumbens, scleranthus annuus, spergula arvensis, vicia hirsuta, viola arvensis, aphanes arvensis, rumex crispus, sonchus asper, thlaspi arvense