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