Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Rhynchospora rugosa
Claybank Beak Sedge
As recorded: Rhynchospora rugosa subsp. lavarum (Gaudich.) T.Koyama
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Hillebrand, W.B.; Lydgate, J.M.Wilhelm Hillebrand →John Mortimer Lydgate →
- Collector number
- s.n.
- Locality
- [Hawaiian Islands; U.S.A.; Hawaii
- 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
Rhynchospora rugosa observed alive in Hawaiʻi
Since 2000, iNaturalist observers have recorded 11 research-grade sightings in the wild, most recently on 2025-11-21.
2025-11-21
Kalihi Valley, Honolulu, HI 96819, USA
(c) Kevin Faccenda, some rights reserved (CC BY)
2025-07-02
Kalihi Valley, Honolulu, HI 96819, USA
(c) Kevin Faccenda, some rights reserved (CC BY)
2025-05-19
Manana Ridge Trail, Aiea, HI, US
(c) Kellen Apuna, some rights reserved (CC BY-NC)
2025-01-25
Pearl City, HI 96782, USA
no rights reserved
2024-12-08
Palolo, Honolulu, HI, USA
no rights reserved
2024-07-07
Nāpali Coast State Wilderness Park, Princeville, HI, US
(c) Melisa Clarke, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Rhynchospora rugosa. BISH 117456. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956320638. Accessed via explore.bishopmuseum.org/specimens/bish/117456.
Record sources
- GBIF occurrence 5956320638 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026