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