argentina anserina, agrostis stolonifera, carex nigra, eleocharis palustris, polygonum aviculare, calliergonella cuspidata, carex panicea, gnaphalium uliginosum, persicaria amphibia, plantago major, poa annua, potentilla reptans, stachys palustris, matricaria discoidea, persicaria maculosa, ranunculus repens, rumex crispus, trifolium repens