Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Xanthium strumarium
As recorded: Xanthium strumarium L.
Plantae › Tracheophyta › Magnoliopsida › Asterales › Asteraceae
- Collected by
- Fosberg, F.R.
- Collector number
- 27126
- Date
- October 20, 1946
- Locality
- Waialua; Haleiwa Point
- Island
- Oʻahu
- Region
- Hawaii, United States
- Identified by
- Herbst, D.R.; Sohmer, S.H.; Wagner, W.L.Derral R. Herbst →Seymour H. Sohmer →Warren L. Wagner Jr. →
- Record type
- Preserved specimen
Collected the same day
On October 20, 1946, Fosberg, F.R. also collected 10 other specimens.
Xanthium strumarium observed alive in Hawaiʻi
This specimen was collected in 1946. Since 2000, iNaturalist observers have recorded 69 research-grade sightings in the wild, most recently on 2026-08-21.

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
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Xanthium strumarium. BISH 416921. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956483569. Accessed via explore.bishopmuseum.org/specimens/bish/416921.
Record sources
- GBIF occurrence 5956483569 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
