nl, agglomeratie leiden en bollenstreek, phragmites australis, epilobium hirsutum, lycopus europaeus, eupatorium cannabinum, calystegia sepium, solanum dulcamara, urtica dioica, typha angustifolia, iris pseudacorus, galium palustre, carex riparia, poa trivialis, lythrum salicaria, agrostis stolonifera, calamagrostis canescens, phalaris arundinacea, rumex hydrolapathum, cirsium palustre, lysimachia vulgaris, stachys palustris, alnus glutinosa, salix cinerea, cirsium arvense, valeriana officinalis, lemna minor, cardamine pratensis, symphytum officinale, galium aparine, angelica sylvestris, holcus lanatus, bolboschoenus maritimus, carex paniculata, glyceria maxima, caltha palustris, scutellaria galericulata, ranunculus repens, filipendula ulmaria, juncus effusus, sonchus palustris, myosotis scorpioides, typha latifolia, stuckenia pectinata, thelypteris palustris, thalictrum flavum, berula erecta, carex acutiformis, dryopteris carthusiana, epilobium palustre, cicuta virosa, epilobium parviflorum