argentina anserina, agrostis stolonifera, carex nigra, poa trivialis, elymus repens, alopecurus geniculatus, plantago uliginosa, scorzoneroides autumnalis, glyceria fluitans, holcus lanatus, juncus articulatus, trifolium repens, cirsium palustre, eupatorium cannabinum, juncus effusus, phragmites australis