nl, delft en westland, carex arenaria, cerastium semidecandrum, sedum acre, calamagrostis epigejos, phleum arenarium, hippophae rhamnoides, jacobaea vulgaris, cynoglossum officinale, festuca rubra, arenaria serpyllifolia, sonchus arvensis, erodium cicutarium, rubus caesius, myosotis ramosissima, aira praecox, hypochaeris radicata, poa pratensis, veronica arvensis, thinopyrum junceiforme, galium verum, ammocalamagrostis baltica, viola tricolor, senecio vulgaris, elymus athericus, corynephorus canescens, luzula campestris, agrostis stolonifera, salix repens, rumex acetosella, rumex angiocarpus, cakile maritima, cirsium arvense, koeleria macrantha, draba verna, eryngium maritimum, hieracium umbellatum, erigeron canadensis, elymus repens, claytonia perfoliata, solanum dulcamara, lotus corniculatus, phragmites australis, cardamine hirsuta, geranium molle, festuca filiformis, senecio sylvaticus, urtica dioica, holcus lanatus, saxifraga tridactylites, agrostis capillaris