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