New Zealand Map Series 1:
N29 165 403 (WGS84 -36.191632 174.651341)
New Zealand Map Series 260:
R08 591 553 (WGS84 -36.191257 174.651664)
Latitude and Longitude (WGS84):
36°11´ S 174°39´ E (WGS84 -36.183333 174.65)
Notes:
Aquatic plants section, MAF Ruakura. Depth ranges etc. Are relevant for this species in a particular lake rather than for this particular specimen.