argentina anserina, alopecurus geniculatus, carex nigra, eleocharis uniglumis, plantago major, juncus articulatus, juncus bufonius, poa trivialis, trifolium repens, centaurium pulchellum, gnaphalium uliginosum, leptodictyum riparium, persicaria maculosa, poa pratensis, sagina procumbens, trifolium fragiferum, rorippa palustris, lolium pratense