calamagrostis epigejos, phragmites australis, holcus lanatus, hydrocotyle vulgaris, mentha aquatica, allium scorodoprasum, anthoxanthum nitens, argentina anserina, carex acutiformis, cirsium arvense, elymus repens, epilobium parviflorum, galium palustre, juncus conglomeratus, juncus effusus, lythrum salicaria, molinia caerulea, sonchus arvensis, thalictrum flavum, vicia cracca