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Psilotum complanatum

Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution

BISH 649049Botany

Psilotum complanatum

Flat Fork Fern

As recorded: Psilotum complanatum Sw.

Plantae › Tracheophyta › Polypodiopsida › Psilotales › Psilotaceae

Collected by: Welton, P.; Haus, B.Bill Haus →P. Welton →
Collector number: 907
Date: July 9, 1991
Locality: W Maui, Lihau, on central ridge
Island: Maui
Region: Hawaii, United States
Elevation: 823 m
Record type: Preserved specimen

221 Bishop specimens of Psilotum complanatum · collected 1838–2024Species page ›

Psilotum complanatum observed alive in Hawaiʻi

This specimen was collected in 1991. Since 2000, iNaturalist observers have recorded 191 research-grade sightings in the wild, most recently on 2026-07-28.

Psilotum complanatum observed 2026-07-28

2026-07-28

Maui County, US-HI, US

(c) Antonio Rodriguez, some rights reserved (CC BY-NC)

Psilotum complanatum observed 2026-07-11

2026-07-11

Volcano, HI 96785, USA

(c) nmoorhatch, some rights reserved (CC BY)

Psilotum complanatum observed 2026-07-08

2026-07-08

Honolulu Watershed Forest Reserve, Honolulu, HI, US

(c) jawbones, some rights reserved (CC BY-NC)

Psilotum complanatum observed 2026-07-07

2026-07-07

Hawaii County, HI, USA

(c) Kai Garcia-Tobar, some rights reserved (CC BY-NC)

Psilotum complanatum observed 2026-06-26

2026-06-26

Kauai County, HI, USA

(c) Tim Guida, some rights reserved (CC BY-NC)

Psilotum complanatum observed 2026-06-19

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 649049. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956269753. Accessed via explore.bishopmuseum.org/specimens/bish/649049.

Record sources

GBIF occurrence 5956269753 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026