nl, agglomeratie leiden en bollenstreek, phragmites australis, agrostis stolonifera, epilobium hirsutum, poa trivialis, holcus lanatus, calystegia sepium, phalaris arundinacea, lycopus europaeus, urtica dioica, ranunculus repens, carex riparia, cirsium arvense, galium palustre, eupatorium cannabinum, iris pseudacorus, cardamine pratensis, stachys palustris, lythrum salicaria, rumex acetosa, cirsium palustre, typha angustifolia, persicaria amphibia, bolboschoenus maritimus, solanum dulcamara, rumex hydrolapathum, trifolium repens, elymus repens, juncus effusus, angelica sylvestris, symphytum officinale, lolium perenne, glyceria maxima, festuca rubra, silene flos-cuculi, lemna minor, cerastium holosteoides, valeriana officinalis, lysimachia vulgaris, galium aparine, ranunculus acris, anthoxanthum odoratum, dactylis glomerata, argentina anserina, caltha palustris, filipendula ulmaria, carex disticha, plantago lanceolata, juncus articulatus, myosotis scorpioides, alnus glutinosa