argentina anserina, holcus lanatus, agrostis stolonifera, juncus acutiflorus, mentha aquatica, carex disticha, hydrocotyle vulgaris, juncus effusus, ranunculus acris, calamagrostis epigejos, cerastium holosteoides, galium uliginosum, lolium perenne, plantago major, ranunculus flammula, sagina procumbens, cirsium palustre, silene flos-cuculi