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