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