carex melanostachya, elymus repens, beckmannia eruciformis, butomus umbellatus, damasonium alisma, elatine alsinastrum, gratiola officinalis, lemna minor, polygonum aviculare, alopecurus pratensis, poa angustifolia, rorippa brachycarpa, rumex crispus, lythrum virgatum, typha angustifolia