New Zealand Map Series 1:
N53 433 896 (WGS84 -37.435513 175.947578)
New Zealand Map Series 260:
U13 711 142 (WGS84 -37.435923 175.947898)
Latitude and Longitude (WGS84):
37°26´ S 175°56.9´ E (WGS84 -37.433333 175.948333)
Notes:
(Euchiton involucratus, J.Holub, New names in phanerogamae 3. Folia geobotanica et phytotaxonomica 9:261(1974)). [Poison - Mercuric Chloride].