New Zealand Map Series 1:
S94 006 264 (WGS84 -43.775361 172.642692)
New Zealand Map Series 260:
M36 812 146 (WGS84 -43.775494 172.642131)
Latitude and Longitude (WGS84):
43°46´ S 172°38´ E (WGS84 -43.766667 172.633333)
Notes:
Voucher for thesis at centre for Resource Management, Lincoln College. Specimens from this sheet, originally labelled Gratiola elatiniodes have been removed to Ranunculus limosella (CHR 486723) and Lilaeopsis novae-zelandiae (CHR 486724).