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