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