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Pteris irregularis

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

BISH 9100Botany

Pteris irregularis

As recorded: Pteris irregularis Kaulf.

Plantae › Tracheophyta › Polypodiopsida › Polypodiales › Pteridaceae

Collected by: St.John, H.; Catto, R.J.R.J. Catto →Harold St.John →
Collector number: 17919
Date: January 2, 1937
Locality: Kuhiwa Trail, Koolau Forest Reserve, Nahiku
Island: Maui
Region: Hawaii, United States
Elevation: 1,524 m
Identified by: Lamoureux, C.H.
Record type: Preserved specimen

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

Pteris irregularis observed alive in Hawaiʻi

This specimen was collected in 1937. Since 2000, iNaturalist observers have recorded 3 research-grade sightings in the wild, most recently on 2026-04-14.

Pteris irregularis observed 2026-04-14

2026-04-14

Hawaii, US

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

Pteris irregularis observed 2023-05-28

2023-05-28

Hawaii, US

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

Pteris irregularis observed 2022-03-23

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 9100. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956565938. Accessed via explore.bishopmuseum.org/specimens/bish/9100.

Record sources

GBIF occurrence 5956565938 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026