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Portieria hornemannii

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

BISH 517580Botany

Portieria hornemannii

As recorded: Portieria hornemannii (Lyngb.) P.C.Silva, 1987

Plantae › Rhodophyta › Florideophyceae › Gigartinales › Rhizophyllidaceae

Collected by: Tsuda, R.T.
Collector number: RT 601
Date: December 6, 1963
Locality: Wave-washed coral ledge on northeast side of island
Island: Laysan
Region: Hawaii, United States
Identified by: Abbott, I.A.
Record type: Preserved specimen

353 Bishop specimens of Portieria hornemannii · collected 1869–2018Species page ›

Portieria hornemannii observed alive in Hawaiʻi

This specimen was collected in 1963. Since 2000, iNaturalist observers have recorded 17 research-grade sightings in the wild, most recently on 2026-10-25.

Portieria hornemannii observed 2026-10-25

2026-10-25

Diamond Head / Kapahulu / St. Louis Heights, Honolulu, HI, USA

(c) Daniel Ward, some rights reserved (CC BY-NC)

Portieria hornemannii observed 2026-07-29

2026-07-29

Lanai 5

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

Portieria hornemannii observed 2026-07-29

2026-07-29

Maui County, US-HI, US

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

Portieria hornemannii observed 2025-02-23

2025-02-23

Honolulu County, HI, USA

(c) Daniel Ward, some rights reserved (CC BY-NC)

Portieria hornemannii observed 2025-02-23

2025-02-23

Honolulu County, HI, USA

(c) Daniel Ward, some rights reserved (CC BY-NC)

Portieria hornemannii observed 2025-02-08

2025-02-08

Waialae - Kahala, Honolulu, HI, USA

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

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

Cite this specimen

Portieria hornemannii. BISH 517580. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956172374. Accessed via explore.bishopmuseum.org/specimens/bish/517580.

Record sources

GBIF occurrence 5956172374 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026