
Callithamnion pikeanum
beauty bush alga
As recorded: Callithamnion pikeanum Harvey, 1853
Plantae › Rhodophyta › Florideophyceae › Ceramiales › Callithamniaceae
- Collected by
- Doty, M.S.
- Collector number
- 5641
- Locality
- Fan Shell Beach
- Region
- California, United States
- Elevation
- 1 m
- Record type
- Preserved specimen
Callithamnion pikeanum observed alive
Since 2000, iNaturalist observers have recorded 220 research-grade sightings in the wild, most recently on 2026-10-15.

2026-10-15
Forks, WA 98331, USA
(c) Jess, some rights reserved (CC BY-NC)

2026-10-07
Forks, WA 98331, USA
(c) Nico, some rights reserved (CC BY-NC)

2026-09-18
Westshore Rd, Bodega Bay, CA, US
(c) dgore, some rights reserved (CC BY-NC)

2026-08-19
Forks, WA 98331, USA
(c) Jessica Utrup, some rights reserved (CC BY)

2026-08-11
North Pacific Ocean, OR, US
(c) awhitlock, some rights reserved (CC BY-NC)

2026-07-14
Capital Regional District, BC, Canada
(c) Michael G. Shepard, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Callithamnion pikeanum. BISH 527561. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956212421. Accessed via explore.bishopmuseum.org/specimens/bish/527561.
Record sources
- GBIF occurrence 5956212421 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
