nl, agglomeratie leiden en bollenstreek, poa trivialis, phragmites australis, ranunculus repens, phalaris arundinacea, agrostis stolonifera, holcus lanatus, persicaria amphibia, rumex acetosa, urtica dioica, glyceria maxima, cirsium arvense, cardamine pratensis, lolium perenne, epilobium hirsutum, ranunculus acris, symphytum officinale, iris pseudacorus, alopecurus pratensis, cerastium holosteoides, trifolium repens, glechoma hederacea, elymus repens, calystegia sepium, carex riparia, galium palustre, glyceria fluitans, valeriana officinalis, dactylis glomerata, caltha palustris, angelica sylvestris, carex disticha, myosotis scorpioides, lythrum salicaria, filipendula ulmaria, galium aparine, bellis perennis, carex acuta, juncus effusus, festuca rubra, plantago lanceolata, silene flos-cuculi, cirsium palustre, lycopus europaeus, rumex obtusifolius, alopecurus geniculatus, stellaria media, heracleum sphondylium, stachys palustris, rumex hydrolapathum, anthoxanthum odoratum