argentina anserina, carex nigra, agrostis stolonifera, carex panicea, eleocharis palustris, gnaphalium uliginosum, plantago major, poa annua, polygonum aviculare, potentilla reptans, rorippa palustris, stachys palustris, calliergonella cuspidata, galium palustre, persicaria amphibia, persicaria minor, ranunculus repens, trifolium repens