nl, agglomeratie leiden en bollenstreek, calamagrostis epigejos, cynoglossum officinale, carex arenaria, urtica dioica, rubus caesius, moehringia trinervia, jacobaea vulgaris, senecio sylvaticus, crataegus monogyna, ligustrum vulgare, glechoma hederacea, poa pratensis, luzula campestris, holcus lanatus, sambucus nigra, agrostis capillaris, cerastium semidecandrum, fallopia convolvulus, quercus robur, solanum dulcamara, hippophae rhamnoides, lonicera periclymenum, euonymus europaeus, veronica arvensis, cardamine hirsuta, bryonia dioica, galium verum, veronica officinalis, festuca filiformis, galium aparine, geum urbanum, festuca rubra, prunus serotina, teucrium scorodonia, myosotis ramosissima, betula pubescens, rosa canina, galium mollugo, poa trivialis, rosa blondaeana, polygonatum odoratum, cirsium vulgare, stellaria media, rumex angiocarpus, koeleria macrantha, dryopteris dilatata, cirsium arvense, rumex acetosella, viola tricolor, sorbus aucuparia