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