New Zealand Map Series 1:
S89 072 029 (WGS84 -43.969572 170.442664)
New Zealand Map Series 260:
I37 048 900 (WGS84 -43.96918 170.442322)
Latitude and Longitude (WGS84):
43°58´ S 170°26´ E (WGS84 -43.966667 170.433333)
Habitat:
In sand over white mud.
Notes:
Voucher for thesis at centre for Resource Management, Lincoln College 0.4-0.7m sometimes with Potamogeton cheesemanii.