nl, agglomeratie 's-gravenhage, carex arenaria, cerastium semidecandrum, sedum acre, rubus caesius, galium verum, festuca rubra, calamagrostis epigejos, poa pratensis, luzula campestris, phleum arenarium, jacobaea vulgaris, cynoglossum officinale, hypochaeris radicata, plantago lanceolata, koeleria macrantha, hippophae rhamnoides, aira praecox, erodium cicutarium, lotus corniculatus, salix repens, corynephorus canescens, veronica arvensis, arenaria serpyllifolia, myosotis ramosissima, bromus hordeaceus, thymus pulegioides, urtica dioica, pilosella officinarum, rumex acetosella, cerastium holosteoides, solanum dulcamara, galium mollugo, cerastium arvense, agrostis capillaris, geranium molle, ononis spinosa, agrostis stolonifera, holcus lanatus, draba verna, elymus repens, rumex angiocarpus, phragmites australis, sonchus arvensis, festuca filiformis, senecio vulgaris, achillea millefolium, saxifraga tridactylites, polygala vulgaris, vicia lathyroides, hieracium umbellatum