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