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