eleocharis palustris, alopecurus pratensis, beckmannia eruciformis, butomus umbellatus, gratiola officinalis, juncus atratus, phlomoides tuberosa, polygonum aviculare, potentilla argentea, rorippa austriaca, damasonium alisma, elatine alsinastrum, poa angustifolia, rumex crispus, lythrum virgatum