Schoenoplectus californicus
California bulrush
As recorded: Schoenoplectus californicus (C.A.Mey.) Soják
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Hosaka, E.Y.
- Collector number
- 2659
- Date
- December 8, 1942
- Locality
- Hamakua, Waikoloa
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Elevation
- 762 m
- 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 December 8, 1942, Hosaka, E.Y. also collected 3 other specimens.
Schoenoplectus californicus observed alive in Hawaiʻi
This specimen was collected in 1942. Since 2000, iNaturalist observers have recorded 36 research-grade sightings in the wild, most recently on 2025-12-25.
2025-12-25
Honolulu, Hawaii, United States
(c) Tony Iwane, some rights reserved (CC BY-NC)
2025-09-04
Kamehameha V Hwy, Kaunakakai, HI, US
(c) premota, some rights reserved (CC BY-NC)
2025-08-03
Kapaa Quarry Rd, Kailua, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
2025-06-11
Kailua, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
2025-06-07
Kahuku, HI 96731, USA
no rights reserved
2025-04-28
Oʻahu, East Honolulu, HI, US
(c) Bethany Lee, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Schoenoplectus californicus. BISH 117563. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956207734. Accessed via explore.bishopmuseum.org/specimens/bish/117563.
Record sources
- GBIF occurrence 5956207734 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026