nl, kop van noord-holland, carex arenaria, cerastium semidecandrum, jacobaea vulgaris, myosotis ramosissima, calamagrostis epigejos, veronica arvensis, aira praecox, erodium cicutarium, phleum arenarium, galium verum, luzula campestris, poa pratensis, festuca rubra, sedum acre, hippophae rhamnoides, cardamine hirsuta, rubus caesius, cynoglossum officinale, hypochaeris radicata, viola tricolor, arenaria serpyllifolia, rumex acetosella, sonchus arvensis, festuca filiformis, koeleria macrantha, geranium molle, holcus lanatus, rumex angiocarpus, draba verna, vicia lathyroides, salix repens, senecio sylvaticus, senecio vulgaris, cirsium arvense, agrostis capillaris, agrostis stolonifera, stellaria apetala, bromus hordeaceus, lotus corniculatus, crepis capillaris, cirsium vulgare, cerastium holosteoides, saxifraga tridactylites, cerastium diffusum, elymus athericus, veronica officinalis, cerastium arvense, corynephorus canescens, plantago lanceolata, trifolium repens