nl, agglomeratie leiden en bollenstreek, carex arenaria, calamagrostis epigejos, luzula campestris, cerastium semidecandrum, cynoglossum officinale, rubus caesius, galium verum, koeleria macrantha, jacobaea vulgaris, poa pratensis, veronica officinalis, festuca filiformis, myosotis ramosissima, veronica arvensis, festuca rubra, aira praecox, senecio sylvaticus, viola tricolor, corynephorus canescens, thymus pulegioides, sedum acre, phleum arenarium, agrostis capillaris, galium mollugo, avenula pubescens, erodium cicutarium, ligustrum vulgare, rumex acetosella, rumex angiocarpus, lotus corniculatus, crataegus monogyna, polygonatum odoratum, cardamine hirsuta, hippophae rhamnoides, cerastium arvense, draba verna, moehringia trinervia, vicia lathyroides, salix repens, anthoxanthum odoratum, polygala vulgaris, urtica dioica, pilosella officinarum, viola canina, holcus lanatus, hypochaeris radicata, rosa spinosissima, lonicera periclymenum, saxifraga tridactylites, erodium lebelii