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