nl, agglomeratie leiden en bollenstreek, phragmites australis, carex riparia, symphytum officinale, phalaris arundinacea, calystegia sepium, iris pseudacorus, glyceria maxima, urtica dioica, poa trivialis, valeriana officinalis, epilobium hirsutum, solanum dulcamara, lythrum salicaria, galium palustre, lycopus europaeus, ranunculus repens, rumex hydrolapathum, carex acuta, agrostis stolonifera, cirsium arvense, filipendula ulmaria, calamagrostis canescens, stachys palustris, lysimachia vulgaris, persicaria amphibia, cardamine pratensis, eupatorium cannabinum, caltha palustris, galium aparine, cirsium palustre, angelica sylvestris, myosotis scorpioides, holcus lanatus, glechoma hederacea, thalictrum flavum, juncus effusus, carex disticha, equisetum fluviatile, scutellaria galericulata, rumex acetosa, rorippa amphibia, equisetum palustre, typha angustifolia, sparganium erectum, alopecurus pratensis, silene flos-cuculi, carex paniculata, carex acutiformis, alnus glutinosa, lemna minor