nl, alkmaar en omgeving, carex arenaria, sedum acre, hydrocotyle vulgaris, salix repens, agrostis stolonifera, cerastium semidecandrum, hypochaeris radicata, luzula campestris, corynephorus canescens, festuca rubra, hieracium umbellatum, lotus corniculatus, pilosella officinarum, galium verum, plantago lanceolata, juncus articulatus, poa pratensis, phragmites australis, rumex acetosella, agrostis capillaris, viola canina, rubus caesius, aira praecox, jasione montana, eleocharis palustris, ranunculus flammula, polygala vulgaris, calamagrostis epigejos, holcus lanatus, rumex angiocarpus, danthonia decumbens, calluna vulgaris, galium palustre, koeleria macrantha, argentina anserina, cerastium holosteoides, jacobaea vulgaris, trifolium repens, carex trinervis, anthoxanthum odoratum, arenaria serpyllifolia, solanum dulcamara, phleum arenarium, polypodium vulgare, festuca filiformis, carex nigra, carex panicea, hippophae rhamnoides, empetrum nigrum, viola tricolor