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