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, festuca rubra, myosotis ramosissima, senecio sylvaticus, galium mollugo, viola tricolor, ligustrum vulgare, aira praecox, thymus pulegioides, crataegus monogyna, avenula pubescens, sedum acre, agrostis capillaris, polygonatum odoratum, phleum arenarium, corynephorus canescens, moehringia trinervia, cardamine hirsuta, hippophae rhamnoides, erodium cicutarium, lotus corniculatus, rumex angiocarpus, urtica dioica, rumex acetosella, cerastium arvense, salix repens, holcus lanatus, lonicera periclymenum, draba verna, anthoxanthum odoratum, erodium lebelii, viola canina, polygala vulgaris, fallopia convolvulus, vicia lathyroides, viola hirta, rosa spinosissima, glechoma hederacea