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