mentha aquatica, agrostis stolonifera, plantago major, veronica beccabunga, echinochloa crus-galli, glechoma hederacea, persicaria mitis, poa annua, populus alba, solidago gigantea, tripleurospermum inodorum, verbena officinalis, veronica anagallis-aquatica, erigeron annuus, salix cinerea