nl, agglomeratie leiden en bollenstreek, trifolium repens, lolium perenne, ranunculus repens, agrostis stolonifera, poa trivialis, alopecurus geniculatus, stellaria media, poa annua, holcus lanatus, elymus repens, ranunculus acris, rumex acetosa, phleum pratense, cerastium holosteoides, glyceria fluitans, poa pratensis, alopecurus pratensis, dactylis glomerata, persicaria amphibia, cardamine pratensis, cirsium arvense, bellis perennis, bromus hordeaceus, phalaris arundinacea, ranunculus sceleratus, capsella bursa-pastoris, polygonum aviculare, eleocharis palustris, juncus articulatus, plantago major, persicaria hydropiper, argentina anserina, glyceria maxima, agrostis capillaris, myosotis scorpioides, glechoma hederacea, rumex crispus, lolium pratense, carex hirta, anthoxanthum odoratum, scorzoneroides autumnalis, rumex obtusifolius, festuca rubra, oenanthe fistulosa, galium palustre, trifolium pratense, stellaria alsine, bolboschoenus maritimus, rorippa amphibia, cynosurus cristatus