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