New Zealand Map Series 1:
N48 58- 37- (WGS84 -37.04094 175.073657)
New Zealand Map Series 260:
S12 94- 59- (WGS84 -37.047474 175.070364)
Latitude and Longitude (WGS84):
37°2´ S 175°4.1´ E (WGS84 -37.033333 175.068333)
Altitudes:
from 15m
Habitat:
In mud among broken rocks in Wairoa River.
Notes:
Missouri Botanical Garden Herbarium (MO). Sheets A and B. (Euchiton involucratus, J.Holub, New names in phanerogamae 3. Folia geobotanica et phytotaxonomica 9:261(1974)).