New Zealand Map Series 1:
N52 601 050 (WGS84 -37.308765 175.088653)
New Zealand Map Series 260:
S12 954 305 (WGS84 -37.308532 175.088273)
Latitude and Longitude (WGS84):
37°18´ S 175°5.3´ E (WGS84 -37.3 175.088333)
Habitat:
In swampy grazed pasture on bank of River.
Notes:
Veg: Mentha pulegium-Polygonum hydropiper-Juncus articulatus-grasses. Occasionally in such sites throughout the swamp. (Euchiton involucratus, J.Holub, New names in phanerogamae 3. Folia geobotanica et phytotaxonomica 9:261(1974)).