nl, alkmaar en omgeving, carex arenaria, calamagrostis epigejos, rubus caesius, luzula campestris, festuca filiformis, cerastium semidecandrum, salix repens, poa pratensis, galium verum, thymus pulegioides, veronica officinalis, koeleria macrantha, sedum acre, lotus corniculatus, hydrocotyle vulgaris, danthonia decumbens, rumex acetosella, agrostis capillaris, viola canina, potentilla reptans, rumex angiocarpus, festuca rubra, pilosella officinarum, jacobaea vulgaris, eleocharis palustris, myosotis ramosissima, cynoglossum officinale, aira praecox, veronica arvensis, carex trinervis, polygala vulgaris, juncus articulatus, agrostis stolonifera, viola tricolor, erodium cicutarium, plantago lanceolata, hypochaeris radicata, cerastium arvense, holcus lanatus, senecio sylvaticus, galium mollugo, phleum arenarium, potentilla erecta, vicia lathyroides, cirsium arvense, urtica dioica, phragmites australis, carex panicea, anthoxanthum odoratum, corynephorus canescens