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
- Wagner, W.L.; Mill, S.W.; Flynn, T.; Lammers, T.Timothy Flynn →Thomas G. Lammers →S.W. Mill →Warren L. Wagner Jr. →
- Collector number
- 5042
- Date
- August 30, 1983
- Locality
- Kokee State Park, along Alakai Swamp Trail from jct. w/Pihea Trail to Kilohana
- Island
- Kauaʻi
- Region
- Hawaii, United States
- Elevation
- 1,220 m
- Identified by
- Wagner, W.L.; Herbst, D.R.; Sohmer, S.H.Derral R. Herbst →Seymour H. Sohmer →Warren L. Wagner Jr. →
- Record type
- Preserved specimen
Collected the same day
On August 30, 1983, Wagner, W.L.; Mill, S.W.; Flynn, T.; Lammers, T. also collected 20 other specimens.
Araliaceae
Botany
Carex kauaiensis
Botany
Carex montis-eeka
Botany
Coprosma elliptica
Botany
Coprosma elliptica
Botany
Dichanthelium hillebrandianum
Botany
Dubautia knudsenii
Botany
Dubautia paleata
Botany
Fuchsia boliviana
Botany
Geniostoma waialealae
Botany
Korthalsella latissima
Botany
Melicope clusiifolia
Botany
Melicope spathulata
Botany
Myrsine denticulata
Botany
Passiflora manicata
Botany
Peperomia
Botany
Pittosporum gayanum
Botany
Santalum freycinetianum
Botany
Smilax melastomifolia
Botany
Viola kauaensis
Botany
Juncus planifolius observed alive in Hawaiʻi
This specimen was collected in 1983. 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 490102. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956469037. Accessed via explore.bishopmuseum.org/specimens/bish/490102.
Record sources
- GBIF occurrence 5956469037 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026