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