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