
BISH 527579Botany
Callithamnion tetragonum
As recorded: Callithamnion tetragonum (Withering) S.F.Gray
Plantae › Rhodophyta › Florideophyceae › Ceramiales › Callithamniaceae
- Collected by
- Kylin, H.
- Collector number
- s.n.
- Locality
- Roscoff
- Region
- Finistère, France
- Record type
- Preserved specimen
Callithamnion tetragonum observed alive
Since 2000, iNaturalist observers have recorded 2 research-grade sightings in the wild, most recently on 2024-05-09.

2024-05-09
Parque Natural do Sudoeste Alentejano e Costa Vicentina, Bordeira, Algarve, PT
(c) coralga, some rights reserved (CC BY-NC)

2022-08-15
Little Moose Island, Acadia National Park, Hancock County, US-ME, US
(c) hmw, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Callithamnion tetragonum. BISH 527579. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956456515. Accessed via explore.bishopmuseum.org/specimens/bish/527579.
Record sources
- GBIF occurrence 5956456515 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
