New Zealand Map Series 1:
N58 824 526 (WGS84 -37.738092 176.354999)
New Zealand Map Series 260:
U14 058 794 (WGS84 -37.738277 176.354479)
Latitude and Longitude (WGS84):
37°44´ S 176°21.3´ E (WGS84 -37.733333 176.355)
Notes:
(Euchiton involucratus, J.Holub, New names in phanerogamae 3. Folia geobotanica et phytotaxonomica 9:261(1974)). [Poison - Mercuric Chloride].