This specimen has not been photographed yet.
Melanothamnus harveyi
As recorded: Neosiphonia harveyi (J.W.Bailey) M.S.Kim et al.
Plantae › Rhodophyta › Florideophyceae › Ceramiales › Rhodomelaceae
- Collected by
- Harvey
- Collector number
- s.n.
- Locality
- Greenport, Long Island
- Region
- New York, United States
- Identified by
- (Nom. rev.) Tsuda, R.T.
- Record type
- Preserved specimen
Melanothamnus harveyi observed alive
Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild, most recently on 2026-09-19.

2026-09-19
Anglesey, Wales, GB
(c) Paul Brazier, some rights reserved (CC BY)

2026-03-23
29900 Concarneau, France
(c) Elphège Budzinski, some rights reserved (CC BY-NC)

2024-06-25
La Rocque
(c) Chris Isaacs, some rights reserved (CC BY-NC)

2022-04-04
Kaipara Harbour, Auckland, NZ
(c) amandacis33, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Melanothamnus harveyi. BISH 538608. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956587272. Accessed via explore.bishopmuseum.org/specimens/bish/538608.
Record sources
- GBIF occurrence 5956587272 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
