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