nl, agglomeratie leiden en bollenstreek, salix repens, calamagrostis epigejos, phragmites australis, hydrocotyle vulgaris, juncus articulatus, carex arenaria, agrostis stolonifera, eleocharis palustris, rubus caesius, galium palustre, solanum dulcamara, lycopus europaeus, parnassia palustris, poa pratensis, eupatorium cannabinum, ranunculus flammula, lythrum salicaria, salix cinerea, hippophae rhamnoides, urtica dioica, holcus lanatus, cerastium semidecandrum, cirsium palustre, myriophyllum spicatum, cirsium arvense, argentina anserina, epipactis palustris, luzula campestris, cynoglossum officinale, sedum acre, jacobaea vulgaris, festuca rubra, carex nigra, stuckenia pectinata, galium uliginosum, potentilla reptans, galium verum, carex trinervis, cardamine pratensis, typha latifolia, ranunculus repens, betula pubescens, linum catharticum, epilobium hirsutum, typha angustifolia, lotus corniculatus, trifolium repens, carex panicea, sonchus arvensis, euphrasia stricta