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