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Cyclosorus interruptus

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

BISH 5689Botany

Cyclosorus interruptus

Swamp Shield-fern

As recorded: Cyclosorus interruptus (Willd.) H.Itô

Plantae › Tracheophyta › Polypodiopsida › Polypodiales › Thelypteridaceae

Collected by: St.John, H.; Fosberg, F.R.F. Raymond Fosberg →Harold St.John →
Collector number: 138744
Date: December 30, 1933
Locality: Maunapuluo, Haena
Island: Kauaʻi
Region: Hawaii, United States
Elevation: 91 m
Identified by: Lamoureux, C.H.
Record type: Preserved specimen

181 Bishop specimens of Cyclosorus interruptus · collected 1838–2019Species page ›

Cyclosorus interruptus observed alive in Hawaiʻi

This specimen was collected in 1933. Since 2000, iNaturalist observers have recorded 41 research-grade sightings in the wild, most recently on 2026-05-26.

Cyclosorus interruptus observed 2026-05-26

2026-05-26

Haena, HI 96746, USA

(c) Matthew Gilbert Koons, some rights reserved (CC BY-ND)

Cyclosorus interruptus observed 2026-05-21

2026-05-21

Hawaii, US

(c) Susan Fawcett, some rights reserved (CC BY-NC)

Cyclosorus interruptus observed 2026-04-03

2026-04-03

Powerline Trail, Princeville, HI, US

(c) Elaine Madsen, some rights reserved (CC BY-NC)

Cyclosorus interruptus observed 2026-01-18

2026-01-18

Kailua Rd, Kailua, HI, US

(c) James Myers, some rights reserved (CC BY-NC)

Cyclosorus interruptus observed 2025-12-25

2025-12-25

Honolulu, Hawaii, United States

(c) Tony Iwane, some rights reserved (CC BY-NC)

Cyclosorus interruptus observed 2025-12-19

2025-12-19

Honolulu County, HI, USA

(c) Hubert Szczygieł, some rights reserved (CC BY-NC)

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

Cite this specimen

Cyclosorus interruptus. BISH 5689. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956183156. Accessed via explore.bishopmuseum.org/specimens/bish/5689.

Record sources

GBIF occurrence 5956183156 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026