Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Juncus planifolius
Flat-leaved Rush
As recorded: Juncus planifolius R.Br.
Plantae › Tracheophyta › Liliopsida › Poales › Juncaceae
- Collected by
- Herbst, D.R.; Bishop, E.E.F. Bishop →Derral R. Herbst →
- Collector number
- 197
- Date
- August 4, 1966
- Locality
- Kau Forest Reserve, Mt. House Trail
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Elevation
- 792 m
- Identified by
- Faccenda, K.
- Record type
- Preserved specimen
Collected the same day
On August 4, 1966, Herbst, D.R.; Bishop, E. also collected 14 other specimens.
Carex alligata
Botany
Cyperus brevifolius
Botany
Cyperus phleoides
Botany
Cyperus polystachyos
Botany
Cyperus polystachyos
Botany
Eleocharis obtusa
Botany
Fimbristylis dichotoma
Botany
Fimbristylis dichotoma
Botany
Juncus bufonius
Botany
Juncus planifolius
Botany
Juncus planifolius
Botany
Rhynchospora caduca
Botany
Rhynchospora chinensis
Botany
Sisyrinchium micranthum
Botany
Juncus planifolius observed alive in Hawaiʻi
This specimen was collected in 1966. Since 2000, iNaturalist observers have recorded 131 research-grade sightings in the wild, most recently on 2026-08-07.
2026-08-07
Honolulu County, HI, USA
(c) Daniel Ward, some rights reserved (CC BY-NC)
2026-07-26
Kīlauea Iki Trail, Pahoa, HI, US
(c) atcgnyc, some rights reserved (CC BY-NC)
2026-07-22
Captain Cook, HI, US
(c) Kellen Apuna, some rights reserved (CC BY-NC)
2026-06-28
Hanapepe, HI 96716, USA
(c) Curtis Mahon, some rights reserved (CC BY-NC)
2026-06-25
Princeville, HI, US
(c) Tim Guida, some rights reserved (CC BY-NC)
2026-06-20
Kauai County, HI, USA
(c) Nick Moore, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Juncus planifolius. BISH 769284. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956522428. Accessed via explore.bishopmuseum.org/specimens/bish/769284.
Record sources
- GBIF occurrence 5956522428 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026