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