chenopodium album, carex melanostachya, rumex stenophyllus, euphorbia esula, phalaris arundinacea, anthoxanthum repens, bolboschoenus maritimus, inula britannica, alisma plantago-aquatica, butomus umbellatus, convolvulus arvensis, galium rubioides, jacobaea vulgaris, lythrum virgatum, rorippa palustris