
Euphorbia deppeana
Oahu sandmat
Endemic to HawaiʻiIUCN: critically endangeredcritically imperiled
Photo: (c) Mike Ross, some rights reserved (CC BY-NC), uploaded by Mike Ross (iNaturalist)
5
Bishop specimens
0
Type specimens
1959
First collected
1986
Last collected
2022
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Euphorbia deppeana, most mentions first.
2025
Imada, C.T., Faccenda, K., Thomas, M.K., Gallaher, T., Oppenhemier, H., Kennedy, B. & Kalei, A. (eds.) Hawaiian native & naturalized vascular plants checklist (2025 update). 780 pp. [published online 6 November 2025]· Contribution to the Hawaii Biological Survey · 2 pages
Two centuries of collecting
1950s1980s
The oldest Bishop specimen was collected in 1959 by Stone, B.C. (Oʻahu). The Museum last collected it in 1986; iNaturalist observers have seen it in the wild as recently as August 13, 2022.
Alive today
1 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.

