Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Eleocharis geniculata
Canada Spikesedge
As recorded: Eleocharis geniculata (L.) Roem. & Schult.
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Wagner, W.L.; Mill, S.; Peterson, B.; Peterson, G.; Flynn,T.Timothy Flynn →S.W. Mill →B. Peterson →G. {George} D. Peterson →Warren L. Wagner Jr. →
- Collector number
- 5181
- Date
- December 21, 1983
- Locality
- Kalalau Trail, along first mile or so
- Island
- Kauaʻi
- 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 December 21, 1983, Wagner, W.L.; Mill, S.; Peterson, B.; Peterson, G.; Flynn,T. also collected 19 other specimens.
Asclepias curassavica
Botany
Bidens forbesii
Botany
Ceodes umbellifera
Botany
Coix lacryma-jobi
Botany
Crassocephalum crepidioides
Botany
Crassocephalum crepidioides
Botany
Cyclospermum leptophyllum
Botany
Dombeya cayeuxii
Botany
Elephantopus mollis
Botany
Elephantopus mollis
Botany
Euphorbia celastroides
Botany
Euphorbia celastroides
Botany
Euphorbia celastroides
Botany
Euphorbia celastroides
Botany
Euphorbia celastroides
Botany
Gamochaeta pensylvanica
Botany
Peperomia leptostachya
Botany
Pseudelephantopus spicatus
Botany
Sporobolus fertilis
Botany
Eleocharis geniculata observed alive in Hawaiʻi
This specimen was collected in 1983. Since 2000, iNaturalist observers have recorded 22 research-grade sightings in the wild, most recently on 2026-08-22.
2026-08-22
North Pacific Ocean, HI, US
(c) cadenf, some rights reserved (CC BY-NC)
2026-06-29
Hekaha St, Aiea, HI, US
(c) Kellen Apuna, some rights reserved (CC BY-NC)
2026-03-26
Queen Kaʻahumanu Hwy, Waikoloa, HI, US
(c) Jason Flor Flores, some rights reserved (CC BY-NC)
2026-02-21
Queen St, Honolulu, HI, US
(c) Julien Carley-Windeler, some rights reserved (CC BY-NC)
2026-01-04
United States
(c) yerbasanta, some rights reserved (CC BY-NC)
2025-07-25
Kamehameha Hwy, Kaneohe, HI, US
(c) Kellen Apuna, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Eleocharis geniculata. BISH 460644. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956235243. Accessed via explore.bishopmuseum.org/specimens/bish/460644.
Record sources
- GBIF occurrence 5956235243 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026