Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Psilotum complanatum
Flat Fork Fern
As recorded: Psilotum complanatum Sw.
Plantae › Tracheophyta › Polypodiopsida › Psilotales › Psilotaceae
- Collected by
- Fosberg, F.R.
- Collector number
- 42177
- Date
- September 12, 1961
- Locality
- Akaka Falls, above Honokaa
- Island
- Hawaiʻi Island
- Region
- Hawaii, United States
- Elevation
- 320 m
- Identified by
- Palmer, D.D.
- Record type
- Preserved specimen
Collected the same day
On September 12, 1961, Fosberg, F.R. also collected 1 other specimen.
Psilotum complanatum observed alive in Hawaiʻi
This specimen was collected in 1961. Since 2000, iNaturalist observers have recorded 191 research-grade sightings in the wild, most recently on 2026-07-28.
2026-07-28
Maui County, US-HI, US
(c) Antonio Rodriguez, some rights reserved (CC BY-NC)
2026-07-11
Volcano, HI 96785, USA
(c) nmoorhatch, some rights reserved (CC BY)
2026-07-08
Honolulu Watershed Forest Reserve, Honolulu, HI, US
(c) jawbones, some rights reserved (CC BY-NC)
2026-07-07
Hawaii County, HI, USA
(c) Kai Garcia-Tobar, some rights reserved (CC BY-NC)
2026-06-26
Kauai County, HI, USA
(c) Tim Guida, some rights reserved (CC BY-NC)
2026-06-19
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
Psilotum complanatum. BISH 648605. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956399783. Accessed via explore.bishopmuseum.org/specimens/bish/648605.
Record sources
- GBIF occurrence 5956399783 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026