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