poa annua, agrostis stolonifera, plantago major, rumex conglomeratus, argentina anserina, galium palustre, cardamine pratensis, eleocharis acicularis, glyceria fluitans, myosotis scorpioides, rorippa palustris, alopecurus geniculatus, cerastium fontanum, persicaria maculosa, polygonum aviculare, trifolium repens, fontinalis antipyretica, gnaphalium uliginosum, mentha aquatica