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