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