nl, agglomeratie leiden en bollenstreek, lolium perenne, dactylis glomerata, ranunculus repens, elymus repens, agrostis stolonifera, poa trivialis, cirsium arvense, trifolium repens, holcus lanatus, plantago lanceolata, achillea millefolium, persicaria amphibia, cerastium holosteoides, ranunculus acris, poa pratensis, festuca rubra, urtica dioica, rumex acetosa, poa annua, phleum pratense, trifolium pratense, arrhenatherum elatius, plantago major, glechoma hederacea, rumex crispus, anthriscus sylvestris, equisetum arvense, bellis perennis, heracleum sphondylium, scorzoneroides autumnalis, rumex obtusifolius, stellaria media, argentina anserina, polygonum aviculare, alopecurus pratensis, phragmites australis, bromus hordeaceus, phalaris arundinacea, carex hirta, capsella bursa-pastoris, crepis capillaris, lamium album, agrostis capillaris, medicago lupulina, potentilla reptans, vicia cracca, sonchus oleraceus, alopecurus geniculatus, daucus carota, artemisia vulgaris