New Zealand Map Series 260:
O07 684 995 (WGS84 -35.804557 173.639028)
Notes:
Common but plants mostly dried off. Growing on beach in sites left exposed by receeding lake levels. Growing on peaty sand with Juncus articulatus, J. bulbosus, Isolepis levynsiana and Centrolepis strigosa (AK 308939). Plants dark reddish when fresh, and very easily overlooked but made conspicuous by the peculiar white, inflated sepals.