nl, agglomeratie leiden en bollenstreek, moehringia trinervia, crataegus monogyna, urtica dioica, rubus caesius, glechoma hederacea, ligustrum vulgare, calamagrostis epigejos, lonicera periclymenum, cynoglossum officinale, sambucus nigra, geum urbanum, euonymus europaeus, holcus lanatus, quercus robur, carex arenaria, solanum dulcamara, betula pubescens, galium aparine, rosa canina, poa trivialis, rosa blondaeana, sorbus aucuparia, poa pratensis, teucrium scorodonia, agrostis capillaris, dryopteris dilatata, bryonia dioica, senecio sylvaticus, jacobaea vulgaris, acer pseudoplatanus, luzula campestris, fallopia convolvulus, populus tremula, silene dioica, cardamine hirsuta, polygonatum odoratum, stellaria media, ajuga reptans, hippophae rhamnoides, viola riviniana, dryopteris carthusiana, veronica officinalis, geranium robertianum, eupatorium cannabinum, betula pendula, prunus serotina, galium mollugo, rhamnus cathartica, dryopteris filix-mas, fragaria vesca