New Zealand Map Series 1:
N137 191 036 (WGS84 -39.788965 174.636605)
New Zealand Map Series 260:
R22 502 561 (WGS84 -39.788965 174.636905)
Latitude and Longitude (WGS84):
39°47´ S 174°38.2´ E (WGS84 -39.783333 174.636667)
Abundance:
One seen
Altitudes:
from 50m
Habitat:
Swampy floor of shallow valley incised in marine terrace. (On base of carex secta). Growing in 20cm water.
Leaves with narrow sinuses - taller plants than other H. nz in area (see 2753), Leaf edges less toothed than H. nz. See also specimens 2653, 2754 from same site.