Rhynchospora rugosa
Claybank Beak Sedge
As recorded: Rhynchospora rugosa subsp. lavarum (Gaudich.) T.Koyama
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae
- Collected by
- Adee, K.T.
- Collector number
- s.n.
- Date
- September 27, 1978
- Locality
- Site 23 OS; Piihonua; Hilo Forest Reserve
- Island
- Hawaiʻi Island
- Region
- Hawai`i, Hawaii, United States
- Elevation
- 1,146 m
- Identified by
- Wagner, W.L.; Herbst, D.R.Derral R. Herbst →Warren L. Wagner Jr. →
- Record type
- Preserved specimen
Collected the same day
On September 27, 1978, Adee, K.T. also collected 15 other specimens.
Carex alligata
Botany
Coprosma ochracea
Botany
Cyperus brevifolius
Botany
Cyperus polystachyos
Botany
Hydrocotyle verticillata
Botany
Juncus acuminatus
Botany
Juncus planifolius
Botany
Juncus planifolius
Botany
Metrosideros polymorpha
Botany
Metrosideros polymorpha
Botany
Metrosideros polymorpha
Botany
Paspalum dilatatum
Botany
Paspalum urvillei
Botany
Pseudognaphalium sandwicensium
Botany
Rhynchospora caduca
Botany
Rhynchospora rugosa observed alive in Hawaiʻi
This specimen was collected in 1978. 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 580094.2. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956467283. Accessed via explore.bishopmuseum.org/specimens/bish/580094.2.
Record sources
- GBIF occurrence 5956467283 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026