anthoxanthum repens, alisma plantago-aquatica, allium angulosum, artemisia abrotanum, bidens tripartita, bolboschoenus maritimus, butomus umbellatus, carex acuta, carex melanostachya, chenopodium album, convolvulus arvensis, echinochloa crus-galli, eryngium planum, euphorbia tommasiniana, inula britannica, iris pseudacorus, lycopus exaltatus, lythrum virgatum, mentha arvensis, persicaria hydropiper, phalaris arundinacea, phelipanche aegyptiaca, phelipanche purpurea, plantago major, rorippa palustris, rubia tatarica, schoenoplectus lacustris, scutellaria hastifolia, setaria pumila, stachys palustris, thalictrum flavum, veronica longifolia, vicia cracca, xanthium strumarium