Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Plocamium violaceum
As recorded: Plocamium violaceum Farlow, 1877
Plantae › Rhodophyta › Florideophyceae › Plocamiales › Plocamiaceae
- Collected by
- Hoyle, M.D.
- Collector number
- 954
- Date
- April 21, 1977
- Locality
- Humboldt County; Luffenholtz Beach, near Trinidad
- Region
- California, United States
- Record type
- Preserved specimen
Collected the same day
On April 21, 1977, Hoyle, M.D. also collected 19 other specimens.
Antithamnion defectum
Botany
Bossiella plumosa
Botany
Botryoglossum farlowianum
Botany
Botryoglossum ruprechtianum
Botany
Bryopsis corticulans
Botany
Corallina vancouveriensis
Botany
Cryptosiphonia woodii
Botany
Cystoseira osmundacea
Botany
Delesseria decipiens
Botany
Hymenena flabelligera
Botany
Iridaea cordata
Botany
Monostroma grevillei
Botany
Petalonia fascia
Botany
Pikea californica
Botany
Polysiphonia pacifica
Botany
Prionitis sternbergii
Botany
Pyropia nereocystis
Botany
Spongomorpha mertensii
Botany
Spongomorpha mertensii
Botany
Plocamium violaceum observed alive
This specimen was collected in 1977. Since 2000, iNaturalist observers have recorded 12 research-grade sightings in the wild, most recently on 2026-08-14.
2026-08-14
South Bay, San Francisco, CA, US
(c) Christopher Janousek, some rights reserved (CC BY-NC)
2026-06-19
San Francisco Bay, San Francisco, CA, US
(c) Christopher Janousek, some rights reserved (CC BY-NC)
2026-06-19
San Francisco Bay, San Francisco, CA, US
(c) Christopher Janousek, some rights reserved (CC BY-NC)
2026-05-18
Sandy Beach, Sitka, AK 99835, USA
(c) Matt Goff, some rights reserved (CC BY-NC-SA)
2026-04-20
Alberni-Clayoquot, BC, CA
(c) Maisie Roy-Musor, some rights reserved (CC BY-NC)
2026-04-19
Fishboat Bay, 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
Plocamium violaceum. BISH 636253. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956260786. Accessed via explore.bishopmuseum.org/specimens/bish/636253.
Record sources
- GBIF occurrence 5956260786 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026