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