nl, agglomeratie leiden en bollenstreek, agrostis stolonifera, poa trivialis, ranunculus repens, phalaris arundinacea, cardamine pratensis, phragmites australis, holcus lanatus, trifolium repens, galium palustre, lolium perenne, glyceria maxima, persicaria amphibia, cirsium arvense, rumex acetosa, elymus repens, glyceria fluitans, urtica dioica, myosotis scorpioides, cerastium holosteoides, alopecurus geniculatus, epilobium hirsutum, juncus articulatus, bolboschoenus maritimus, ranunculus acris, juncus effusus, iris pseudacorus, persicaria hydropiper, stellaria media, poa annua, rumex hydrolapathum, plantago major, eleocharis palustris, ranunculus sceleratus, lycopus europaeus, argentina anserina, caltha palustris, bellis perennis, glechoma hederacea, carex disticha, carex riparia, rorippa amphibia, cirsium palustre, alopecurus pratensis, silene flos-cuculi, dactylis glomerata, lythrum salicaria, festuca rubra, calystegia sepium, poa pratensis, sparganium erectum