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Melanothamnus harveyi in life
In life — Harvey's siphon weed, photographed by an iNaturalist observer, not this specimen. (c) Thomas Irvine, some rights reserved (CC BY), uploaded by Thomas Irvine
BISH 538609Botany

Melanothamnus harveyi

Harvey's siphon weed

As recorded: Neosiphonia harveyi (J.W.Bailey) M.S.Kim et al.

Plantae › Rhodophyta › Florideophyceae › Ceramiales › Rhodomelaceae

Collected by
Bailey, A.
Collector number
s.n.
Locality
Stonington
Region
Connecticut, United States
Identified by
(Nom. rev.) Tsuda, R.T.
Record type
Preserved specimen
57 Bishop specimens of Melanothamnus harveyi · collected 1850–1974Species page ›

Melanothamnus harveyi observed alive

Since 2000, iNaturalist observers have recorded 4 research-grade sightings in the wild, most recently on 2026-09-19.

Melanothamnus harveyi observed 2026-09-19

2026-09-19

Anglesey, Wales, GB

(c) Paul Brazier, some rights reserved (CC BY)

Melanothamnus harveyi observed 2026-03-23

2026-03-23

29900 Concarneau, France

(c) Elphège Budzinski, some rights reserved (CC BY-NC)

Melanothamnus harveyi observed 2024-06-25

2024-06-25

La Rocque

(c) Chris Isaacs, some rights reserved (CC BY-NC)

Melanothamnus harveyi observed 2022-04-04

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 538609. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956519896. Accessed via explore.bishopmuseum.org/specimens/bish/538609.

Record sources