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