nl, agglomeratie 's-gravenhage, calamagrostis epigejos, carex arenaria, salix repens, phragmites australis, rubus caesius, eleocharis palustris, agrostis stolonifera, juncus articulatus, cerastium semidecandrum, hippophae rhamnoides, sedum acre, solanum dulcamara, poa pratensis, hydrocotyle vulgaris, festuca rubra, cynoglossum officinale, jacobaea vulgaris, luzula campestris, urtica dioica, parnassia palustris, galium verum, sonchus arvensis, cirsium arvense, eupatorium cannabinum, stuckenia pectinata, koeleria macrantha, lotus corniculatus, myriophyllum spicatum, lycopus europaeus, holcus lanatus, phleum arenarium, hypochaeris radicata, galium palustre, lythrum salicaria, argentina anserina, cerastium holosteoides, thymus pulegioides, epipactis palustris, myosotis ramosissima, plantago lanceolata, erodium cicutarium, trifolium repens, epilobium hirsutum, corynephorus canescens, salix cinerea, saxifraga tridactylites, ranunculus flammula, senecio vulgaris, veronica arvensis, linum catharticum