nl, agglomeratie leiden en bollenstreek, phragmites australis, myriophyllum spicatum, agrostis stolonifera, stuckenia pectinata, eleocharis palustris, juncus articulatus, hydrocotyle vulgaris, galium palustre, carex arenaria, lythrum salicaria, lycopus europaeus, potamogeton pusillus, potamogeton perfoliatus, ranunculus flammula, solanum dulcamara, salix repens, sedum acre, lemna minor, potamogeton natans, argentina anserina, holcus lanatus, bolboschoenus maritimus, parnassia palustris, calamagrostis epigejos, trifolium repens, schoenoplectus lacustris, carex nigra, ceratophyllum demersum, ranunculus repens, elodea canadensis, urtica dioica, ranunculus circinatus, elodea nuttallii, zannichellia palustris, rubus caesius, salix cinerea, alisma plantago-aquatica, persicaria amphibia, lysimachia maritima, epilobium hirsutum, festuca rubra, hippuris vulgaris, sagina nodosa, typha angustifolia, lemna trisulca, juncus bulbosus, hippophae rhamnoides, epipactis palustris, hypochaeris radicata, cerastium semidecandrum