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