alopecurus geniculatus, plantago major, rorippa palustris, rumex acetosa, agrostis stolonifera, poa trivialis, polygonum aviculare, glyceria fluitans, ranunculus repens, sagina procumbens, cerastium holosteoides, ranunculus sceleratus, stellaria media, cardamine pratensis, gnaphalium uliginosum, matricaria discoidea