nl, agglomeratie leiden en bollenstreek, carex arenaria, corynephorus canescens, rumex acetosella, festuca filiformis, rumex angiocarpus, aira praecox, luzula campestris, cerastium semidecandrum, agrostis capillaris, calamagrostis epigejos, jacobaea vulgaris, senecio sylvaticus, veronica arvensis, galium verum, erodium cicutarium, agrostis vinealis, koeleria macrantha, cynoglossum officinale, hypochaeris radicata, poa pratensis, rubus caesius, myosotis ramosissima, teesdalia nudicaulis, cerastium arvense, festuca rubra, holcus lanatus, quercus robur, phleum arenarium, vicia lathyroides, viola tricolor, anthoxanthum odoratum, pilosella officinarum, sedum acre, veronica officinalis, thymus pulegioides, cardamine hirsuta, draba verna, jasione montana, urtica dioica, geranium molle, crataegus monogyna, elymus repens, erigeron canadensis, lonicera periclymenum, prunus serotina, lotus corniculatus, fallopia convolvulus, viola canina, moehringia trinervia, plantago lanceolata