Pteris irregularis

As recorded: Pteris irregularis Kaulf.

Plantae › Tracheophyta › Polypodiopsida › Polypodiales › Pteridaceae

Collected by: Forbes, C.N.
Collector number: 343.L
Date: September 1, 1917
Locality: Lanai
Island: Lānaʻi
Region: Hawaii, United States
Identified by: Lamoureux, C.H.
Record type: Preserved specimen

153 Bishop specimens of Pteris irregularis · collected 1816–2022Species page ›

Collected the same day

On September 1, 1917, Forbes, C.N. also collected 24+ other specimens.

Pteris irregularis observed alive in Hawaiʻi

This specimen was collected in 1917. Since 2000, iNaturalist observers have recorded 3 research-grade sightings in the wild, most recently on 2026-04-14.

2026-04-14

Hawaii, US

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

2023-05-28

Hawaii, US

(c) Kevin Faccenda, some rights reserved (CC BY)

2022-03-23

Hawaii, US

(c) Kyhl Austin, some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Pteris irregularis. BISH 9063. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956365912. Accessed via explore.bishopmuseum.org/specimens/bish/9063.

Record sources

GBIF occurrence 5956365912 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026