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