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