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