Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Sargassum pacificum f. rigidiusculum (Grunow) Setchell

alga parda, brown algae

 Sargassum pacificum f. congestum , CDS specimen herbarium. Photo: Bravo, L..
Sargassum pacificum f. congestum , CDS specimen herbarium. Photo: Bravo, L..

Taxonomy

Domain
Eukaryota

Kingdom
Chromista

Phylum
Ochrophyta

Class
Phaeophyceae

Order
Fucales

Family
Sargassaceae

Genus
Sargassum

Species
pacificum

Subspecies
f. rigidiusculum

Taxon category: Species with Infraspecific Taxa

Origin: Endemic

Status

IUCN Red List Category: Not evaluated

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Galapagos I.: Caleta Tagus - Isabela, Santiago (Taylor, 1945). Fernandina, Isabela, Santiago, Floreana and San Cristobal (Silva, 1966).

References

  • Appeltans, W. Bouchet, P., Boxshall, G.A., Fauchald, K., Gordon, D.P., Hoeksema, B.W., Poore, G.C.B., van Soest, R.W.M., Stöhr, S., Walter, T.C., Costello, M.J. (eds.) (2010) World Register of Marine Species (WoRMS). Available online at http://www.marinespecies.org.
  • Garske, L.E. (2002) Macroalgas Marinas. In: Danulat, E. & Edgar, G.J. (eds.) (2002): Reserva Marina de Galápagos. Línea Base de la Biodiversidad. Fundación Charles Darwin/Servicio Parque Nacional Galápagos, Santa Cruz, Galápagos, Ecuador, p. 419-439.
  • Guiry, M.D. Guiry, G.M. (2021) AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org
  • Setchell, W.A. Gardner, N.L. (1937) The Templeton Crocker Expedition of the California Academy of Sciences, 1932. No. 31: A preliminary report on the algae. Proceedings of the California Academy of Science, series 4, 22(2): 65-98, 1 fig, plates 3-25.
  • Silva, P.C. (1966) Status of our knowledge of the Galapagos benthic marine algal flora prior to the Galapagos International Scientific Project. In: Bowman, R.I. (ed.): The Galapagos Islands Symposium of the Galapagos International Scientific Project. University of California Press, Berkeley, p. 149-156.
  • Taylor, W.R. (1945) Pacific marine algae of the Allan Hancock Expeditions to the Galapagos Islands. Allan Hancock Pac. Expedit., 12, iv+-528.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Sargassum pacificum f. rigidiusculum", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=1799. Accessed 30 October 2026.