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