argentina anserina, lolium perenne, agrostis stolonifera, holcus lanatus, trifolium repens, hydrocotyle vulgaris, mentha aquatica, carex disticha, cerastium holosteoides, galium palustre, juncus acutiflorus, juncus effusus, lotus corniculatus, plantago lanceolata, poa pratensis, ranunculus flammula, ranunculus repens, chenopodium album, persicaria hydropiper