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