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