nl, agglomeratie leiden en bollenstreek, carex arenaria, luzula campestris, festuca filiformis, calamagrostis epigejos, agrostis capillaris, rumex angiocarpus, aira praecox, jacobaea vulgaris, rumex acetosella, veronica officinalis, galium verum, senecio sylvaticus, koeleria macrantha, poa pratensis, cerastium semidecandrum, rubus caesius, veronica arvensis, viola tricolor, viola canina, salix repens, holcus lanatus, myosotis ramosissima, corynephorus canescens, cynoglossum officinale, lotus corniculatus, cerastium arvense, erodium cicutarium, festuca rubra, hypochaeris radicata, anthoxanthum odoratum, carex trinervis, thymus pulegioides, agrostis vinealis, cardamine hirsuta, rosa spinosissima, danthonia decumbens, phleum arenarium, vicia lathyroides, pilosella officinarum, urtica dioica, sedum acre, hippophae rhamnoides, potentilla erecta, crataegus monogyna, teesdalia nudicaulis, galium mollugo, cirsium arvense, avenula pubescens, teucrium scorodonia, geranium molle