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