
Pterosiphonia
As recorded: Pterosiphonia Falkenberg, 1897
Plantae › Rhodophyta › Florideophyceae › Ceramiales › Rhodomelaceae
- Collected by
- Doty, M.S.
- Collector number
- 6313
- Date
- June 21, 1939
- Locality
- Squaw Creek, Lane Co., Oregon
- Region
- Oregon, United States
- Record type
- Preserved specimen
Collected the same day
On June 21, 1939, Doty, M.S. also collected 2 other specimens.
Pterosiphonia observed alive
This specimen was collected in 1939. Since 2000, iNaturalist observers have recorded 47 research-grade sightings in the wild, most recently on 2026-10-13.

2026-10-13
A Coruña, Galicia, Spain
(c) Antón Vázquez, some rights reserved (CC BY-NC)

2026-08-21
Paradise Point Pier, San Diego, CA, US
(c) Thomas L, some rights reserved (CC BY-NC)

2026-08-04
A Coruña, Spain
(c) Antón Vázquez, some rights reserved (CC BY-NC)

2026-06-30
North Coast, BC, Canada
(c) plants_and_pottery, some rights reserved (CC BY-NC)

2026-06-26
Santa Cruz, CA, USA
(c) James Maughn, some rights reserved (CC BY-NC)

2026-06-21
Vizcaya, ES-PV, ES
(c) Héctor Ibáñez Cantero, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Pterosiphonia. BISH 553911. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956575463. Accessed via explore.bishopmuseum.org/specimens/bish/553911.
Record sources
- GBIF occurrence 5956575463 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
