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