text: poa annua, persicaria lapathifolia, matricaria discoidea, plantago major, glyceria fluitans, tripleurospermum inodorum, atriplex prostrata, oxybasis rubra, capsella bursa-pastoris, persicaria maculosa, rumex obtusifolius, tussilago farfara, fallopia convolvulus, lolium multiflorum, stellaria media