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