nl, agglomeratie leiden en bollenstreek, carex arenaria, calamagrostis epigejos, salix repens, agrostis stolonifera, phragmites australis, sedum acre, cerastium semidecandrum, juncus articulatus, rubus caesius, eleocharis palustris, hippophae rhamnoides, poa pratensis, hydrocotyle vulgaris, festuca rubra, sonchus arvensis, solanum dulcamara, jacobaea vulgaris, galium verum, luzula campestris, phleum arenarium, hypochaeris radicata, parnassia palustris, argentina anserina, cynoglossum officinale, lotus corniculatus, koeleria macrantha, sagina nodosa, cirsium arvense, arenaria serpyllifolia, epipactis palustris, stuckenia pectinata, holcus lanatus, urtica dioica, cerastium holosteoides, galium palustre, thinopyrum junceiforme, lysimachia maritima, plantago lanceolata, trifolium repens, corynephorus canescens, lycopus europaeus, erodium cicutarium, linum catharticum, aira praecox, ranunculus flammula, myosotis ramosissima, veronica arvensis, bolboschoenus maritimus, draba verna, senecio vulgaris