bolboschoenus maritimus, convolvulus arvensis, elymus repens, inula britannica, lythrum virgatum, alisma plantago-aquatica, allium angulosum, amaranthus albus, butomus umbellatus, euphorbia palustris, gratiola officinalis, lipandra polysperma, persicaria amphibia, persicaria minor, polygonum patulum, rorippa palustris, scutellaria galericulata, stachys palustris, xanthium strumarium