Rivularia atra
As recorded: Rivularia atra Roth ex Bornet & Flahault
Bacteria › Cyanobacteria › Cyanobacteriia › Cyanobacteriales › Nostocaceae
- Collected by
- Doty, M.S.
- Collector number
- MSD 7304
- Date
- August 3, 1947
- Locality
- Dukes County; Penikese Island, southwest end
- Region
- Massachusetts, United States
- Identified by
- Drouet, F.E.
- Record type
- Preserved specimen
Collected the same day
On August 3, 1947, Doty, M.S. also collected 13 other specimens.
Calothrix crustacea
Botany
Calothrix vivipara
Botany
Chordaria flagelliformis
Botany
Entophysalis granulosa
Botany
Entophysalis granulosa
Botany
Entophysalis granulosa
Botany
Leptolyngbya calotrichoides
Botany
Leptolyngbya calotrichoides
Botany
Rhodophysema georgei
Botany
Ulva intestinalis
Botany
Ulva intestinalis
Botany
Ulva intestinalis
Botany
Ulva linza
Botany
Rivularia atra observed alive
This specimen was collected in 1947. Since 2000, iNaturalist observers have recorded 7 research-grade sightings in the wild, most recently on 2026-01-17.
2026-01-17
Castle Beach, Falmouth, England, GB
(c) Finley Hutchinson, some rights reserved (CC BY-NC)
2026-01-17
Falmouth, UK
no rights reserved
2024-02-08
Falmouth, UK
(c) Finley Hutchinson, some rights reserved (CC BY-NC)
2023-12-16
Intra-Muros, Saint-Malo, France
(c) Pierre Corbrion, some rights reserved (CC BY-NC-SA)
2021-02-26
Općina Poreč, Croatia
(c) Edi Gljušćić, some rights reserved (CC BY-NC)
2019-08-15
Finistère, Bretagne, FR
(c) Frédéric ANDRE, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Rivularia atra. BISH 553210. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956628387. Accessed via explore.bishopmuseum.org/specimens/bish/553210.
Record sources
- GBIF occurrence 5956628387 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026