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