nl, alkmaar en omgeving, carex arenaria, salix repens, hydrocotyle vulgaris, hypochaeris radicata, luzula campestris, argentina anserina, hieracium umbellatum, lotus corniculatus, phragmites australis, ranunculus flammula, juncus articulatus, holcus lanatus, agrostis stolonifera, corynephorus canescens, sedum acre, festuca rubra, viola canina, poa pratensis, cerastium holosteoides, polypodium vulgare, carex nigra, calamagrostis epigejos, aira praecox, cerastium semidecandrum, jasione montana, galium palustre, empetrum nigrum, rubus caesius, agrostis capillaris, rumex acetosella, trifolium repens, pilosella officinarum, galium verum, anthoxanthum odoratum, sonchus arvensis, eleocharis palustris, danthonia decumbens, veronica officinalis, hippophae rhamnoides, viola tricolor, calluna vulgaris, lycopus europaeus, carex trinervis, plantago lanceolata, vicia cracca, rumex angiocarpus, erica tetralix, juncus anceps, lonicera periclymenum, potentilla erecta