carex nigra, argentina anserina, eleocharis uniglumis, alopecurus geniculatus, juncus bufonius, leptodictyum riparium, bidens tripartita, centaurium pulchellum, gnaphalium uliginosum, juncus articulatus, persicaria maculosa, plantago major, poa trivialis, trifolium repens, rumex crispus, rorippa palustris