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