Euphorbia hyssopifolia
Hyssopleaf Sandmat
42
Bishop specimens
0
Type specimens
1959
First collected
2025
Last collected
2026
Last seen alive in Hawaiʻi
In the Library
Bishop Museum publications whose pages name Euphorbia hyssopifolia, most mentions first.
2019
Hawaiian naturalized vascular plants checklist (February 2019 update)Imada, C. · Contribution to the Hawaii Biological Survey · 3 pages
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
2017
New plant records from Kaho‘olawe Island and Midway AtollStarr, F. & Starr, K. · Contribution to the Hawaii Biological Survey · 1 page
2016
Records of the Hawaii Biological Survey for 2016: VolumeEvenhuis, N.L. & Eldredge, L.G. (eds) · Records of the Hawaii Biological Survey · 1 page
2014
Biological survey on a 10-acre parcel and adjacent areas, proposed land acquisition, Kahuluui, Maui, HawaiiPreston, D. & Imada, C. · Contribution to the Hawaii Biological Survey · 1 page
Where Bishop collected it
5 mapped specimens. Localities of endangered species are shown approximately.
Two centuries of collecting
The oldest Bishop specimen was collected in 1959 by Stone, B.C. (Hawaiʻi Island).
From the collection
Alive today
46 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.

2026-06-30
Kealakehe Pkwy, Kalaoa, HI, US
(c) NPS - pacific island vegetation monitoring, some rights reserved (CC BY-NC)

2026-06-30
Honokohau Marina and Small Boat Harbor, Kalaoa, HI, US
(c) ka_y_ak, some rights reserved (CC BY-NC)

2026-06-30
Kalaoa, HI, US
(c) NPS - pacific island vegetation monitoring, some rights reserved (CC BY-NC)

2026-05-29
Kamehameha Hwy E, Aiea, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)

2026-02-14
Hakalau, HI 96710, USA
no rights reserved

2025-09-23
Hawai‘i Volcanoes National Park, Pahoa, HI, US
(c) ka_y_ak, some rights reserved (CC BY-NC)

2025-07-11
Kamehameha Hwy E, Aiea, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)

2025-04-28
University of Hawaiʻi at Mānoa, Honolulu, HI, US
(c) Kathryn (Rayne) Pease Hateley, some rights reserved (CC BY-NC)
