nl, agglomeratie 's-gravenhage, eleocharis palustris, juncus articulatus, phragmites australis, agrostis stolonifera, carex arenaria, hydrocotyle vulgaris, salix repens, calamagrostis epigejos, sedum acre, galium palustre, rubus caesius, cerastium semidecandrum, solanum dulcamara, lycopus europaeus, hippophae rhamnoides, parnassia palustris, poa pratensis, lythrum salicaria, ranunculus flammula, argentina anserina, festuca rubra, myriophyllum spicatum, stuckenia pectinata, eupatorium cannabinum, epipactis palustris, urtica dioica, cynoglossum officinale, trifolium repens, holcus lanatus, cirsium arvense, luzula campestris, jacobaea vulgaris, salix cinerea, sonchus arvensis, hypochaeris radicata, bolboschoenus maritimus, sagina nodosa, galium verum, epilobium hirsutum, carex nigra, cerastium holosteoides, lotus corniculatus, plantago lanceolata, euphrasia stricta, ranunculus repens, cirsium palustre, linum catharticum, typha latifolia, potamogeton pusillus, typha angustifolia