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