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