Callithamnion tetragonum
As recorded: Callithamnion tetragonum (Withering) S.F.Gray
Plantae › Rhodophyta › Florideophyceae › Ceramiales › Callithamniaceae
- Collected by
- Holden, I.
- Collector number
- s.n.
- Date
- August 11, 1886
- Locality
- Long Island Sound
- Region
- Connecticut, United States
- Identified by
- Hare, J.C.
- Record type
- Preserved specimen
Callithamnion tetragonum observed alive
This specimen was collected in 1886. 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 527437. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956516415. Accessed via explore.bishopmuseum.org/specimens/bish/527437.
Record sources
- GBIF occurrence 5956516415 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026