Xanthium occidentale
Noogoora Burr
15
Bishop specimens
0
Type specimens
1912
First collected
1968
Last collected
2026
Last seen alive in Hawaiʻi
Two centuries of collecting
The oldest Bishop specimen was collected in 1912 by Tryon, F.G.; Tilden, J.E. (Tahiti). The Museum last collected it in 1968; iNaturalist observers have seen it in the wild as recently as August 21, 2026.
From the collection
Alive today
69 research-grade iNaturalist sightings in the wild in Hawaiʻi since 2000. Most recent first.
2026-08-21
Kahaone Loop, Waialua, HI, US
(c) hi_ocean, some rights reserved (CC BY-NC)
2026-08-19
Kailua Kona, HI, US
(c) Jason Flor Flores, some rights reserved (CC BY-NC)
2026-07-07
Kahaluʻu, HI, US
(c) Karen Howorth, some rights reserved (CC BY-NC)
2026-05-01
Honolulu County, HI, USA
(c) Kevin Faccenda, some rights reserved (CC BY)
2026-02-27
Waianae, HI 96792, USA
no rights reserved
2026-02-23
Waialua, HI 96791, USA
no rights reserved
2026-02-23
Lahaina
(c) Bri, some rights reserved (CC BY-NC)
2026-01-19
S Kihei Rd, Kīhei, HI, US
(c) stevejbader, some rights reserved (CC BY-NC)