Galapagos Species Database

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

Polysiphonia decussata Hollenberg

alga roja, red algae

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Rhodophyta

Class
Florideophyceae

Order
Ceramiales

Family
Rhodomelaceae

Section
Polysiphonieae

Genus
Polysiphonia

Species
decussata

Taxon category: Accepted

Origin: Native

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 (Taylor, 1945). Punta Suarez . Española (Dawson, 1963). Isabela and Española (Silva, 1966). Galapagos Islands (Miller & Garske, 2011)

References

  • Dawson, E.Y. (1963) New records of marine algae from the Galapagos Islands. Pacific Naturalist 4(1): 1-23.
  • 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
  • Horton, T. Horton, T., Kroh, A., Ahyong, S., Bailly, N., Boyko, C. B., Brandão, S. N., Gofas, S., Hooper, J. N. A., Hernandez, F., Holovachov, O., Mees, J., Molodtsova, T. N., Paulay, G., Decock, W., Dekeyzer, S., Poffyn, G., Vandepitte, L., Vanhoorne, B., Adlard, R., ... Zhao, Z. (2021) World Register of Marine Species. Available from https://www.marinespecies.org at VLIZ.
  • Miller, K.A. Garske, L.E. (2011) Galápagos Seaweeds. unpublished manuscript, 49 pp.
  • 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, Polysiphonia decussata", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=8202. Accessed 31 October 2026.