stellaria media, centaurea cyanus, galium aparine, poa annua, phragmites australis, viola arvensis, bidens tripartita, chenopodium album, fallopia convolvulus, galeopsis speciosa, galeopsis tetrahit, gnaphalium uliginosum, holcus mollis, matricaria chamomilla, persicaria amphibia, persicaria hydropiper, persicaria maculosa, polygonum aviculare, spergula arvensis