nl, alkmaar en omgeving, carex arenaria, hydrocotyle vulgaris, salix repens, phragmites australis, calamagrostis epigejos, argentina anserina, ranunculus flammula, juncus articulatus, luzula campestris, galium palustre, agrostis stolonifera, carex trinervis, holcus lanatus, rubus caesius, carex nigra, danthonia decumbens, agrostis capillaris, hypochaeris radicata, poa pratensis, eleocharis palustris, lotus corniculatus, lycopus europaeus, festuca rubra, festuca filiformis, hieracium umbellatum, viola canina, cerastium semidecandrum, rumex acetosella, sedum acre, corynephorus canescens, potentilla erecta, carex panicea, cerastium holosteoides, aira praecox, veronica officinalis, cirsium palustre, trifolium repens, anthoxanthum odoratum, galium verum, erica tetralix, epipactis palustris, calluna vulgaris, salix cinerea, rumex angiocarpus, empetrum nigrum, lythrum salicaria, carex flacca, juncus anceps, parnassia palustris, hippophae rhamnoides