nl, agglomeratie leiden en bollenstreek, phragmites australis, stuckenia pectinata, agrostis stolonifera, eleocharis palustris, juncus articulatus, myriophyllum spicatum, calamagrostis epigejos, carex arenaria, salix repens, potamogeton pusillus, solanum dulcamara, hydrocotyle vulgaris, hippophae rhamnoides, cerastium semidecandrum, bolboschoenus maritimus, sedum acre, rubus caesius, cynoglossum officinale, lycopus europaeus, eupatorium cannabinum, urtica dioica, galium palustre, lythrum salicaria, parnassia palustris, cirsium arvense, elodea nuttallii, sonchus arvensis, poa pratensis, festuca rubra, typha angustifolia, jacobaea vulgaris, epilobium hirsutum, holcus lanatus, ranunculus circinatus, argentina anserina, ranunculus flammula, typha latifolia, salix cinerea, potamogeton perfoliatus, zannichellia palustris, potamogeton natans, lemna minor, lysimachia maritima, phleum arenarium, sagina nodosa, epipactis palustris, trifolium repens, hypochaeris radicata, erigeron canadensis, lemna trisulca