nl, agglomeratie leiden en bollenstreek, ranunculus repens, elymus repens, agrostis stolonifera, dactylis glomerata, poa trivialis, lolium perenne, persicaria amphibia, cirsium arvense, holcus lanatus, ranunculus acris, trifolium repens, urtica dioica, arrhenatherum elatius, plantago lanceolata, rumex acetosa, heracleum sphondylium, phragmites australis, glechoma hederacea, alopecurus pratensis, festuca rubra, achillea millefolium, phleum pratense, cerastium holosteoides, anthriscus sylvestris, phalaris arundinacea, poa pratensis, equisetum arvense, trifolium pratense, stellaria media, rumex crispus, rumex obtusifolius, glyceria maxima, poa annua, symphytum officinale, polygonum aviculare, vicia cracca, argentina anserina, plantago major, agrostis capillaris, bromus hordeaceus, bellis perennis, capsella bursa-pastoris, lamium album, glyceria fluitans, carex hirta, calystegia sepium, scorzoneroides autumnalis, galium aparine, crepis capillaris, cardamine pratensis