nl, agglomeratie leiden en bollenstreek, carex arenaria, luzula campestris, festuca filiformis, aira praecox, agrostis capillaris, rumex angiocarpus, rumex acetosella, cerastium semidecandrum, jacobaea vulgaris, galium verum, calamagrostis epigejos, veronica arvensis, poa pratensis, koeleria macrantha, erodium cicutarium, veronica officinalis, viola tricolor, myosotis ramosissima, hypochaeris radicata, festuca rubra, cerastium arvense, anthoxanthum odoratum, corynephorus canescens, senecio sylvaticus, holcus lanatus, lotus corniculatus, vicia lathyroides, rubus caesius, viola canina, phleum arenarium, sedum acre, thymus pulegioides, pilosella officinarum, cynoglossum officinale, geranium molle, cardamine hirsuta, agrostis vinealis, salix repens, carex trinervis, plantago lanceolata, cerastium holosteoides, teesdalia nudicaulis, draba verna, crepis capillaris, arenaria serpyllifolia, bromus hordeaceus, danthonia decumbens, trifolium repens, avenula pubescens, galium mollugo