eleocharis uniglumis, alopecurus geniculatus, argentina anserina, trifolium repens, juncus articulatus, juncus bufonius, persicaria maculosa, plantago major, poa trivialis, bolboschoenus maritimus, leptodictyum riparium, lotus tenuis, trifolium fragiferum, cirsium arvense, rumex crispus, bidens tripartita, gnaphalium uliginosum, trifolium hybridum