Dictyota galapagensis (Farlow) De Clerck (2006:1285)



Taxonomy & Nomenclature

Synonym/s: Glossophora galapagensis Farlow (1902:90)


Conservation Status

Missing (Edgar et al., 2010)

Last record: 1974 (Wellington, 1975)

IUCN RedList status: Critically Endangered (Possibly Extinct)



Galápagos Islands, Ecuador


Biology & Ecology




At least four collections of this species have been preserved in the Charles Darwin Research Station's herbarium collection:

CDS 8575
CDS 17564
CDS 17565
CDS 17566

For full details regarding these collections, see: and and and respectively.






Original scientific description:

Farlow, W.G. (1902) Algae. In: Robinson, B. L. Flora of the Galapagos Islands. Proc. Amerc. Acad. Arts Sc. 38(4): 89-99, N.S. 14 (Papers from the Hopkins-Stanford Expedition to the Galapagos Islands)


Other references:

De Clerck, O., Leliaert, F., Verbruggen, H., Lane, C.E., De Paula, J.C., Payo, D.I. and Coppejans, E. (2006). A revised classification of the Dictyoteae (Dictyotales, Phaeophyceae) based on rbcL and 26S ribosomal DNA sequence data analyses. Journal of Phycology 42: 1271-1288, 6 figs.

Edgar, Graham J., Banks, Stuart A., Brandt, Margarita, Bustamante, Rodrigo H., Chiriboga, Angel, Earle, Sylvia A., Garske, Lauren E., Glynn, Peter W., Grove, Jack S., Henderson, Scott, Hickman, Cleve P., Miller, Kathy A., Rivera, Fernando and Wellington, Gerald M. (2010). El Niño, grazers and fisheries interact to greatly elevate extinction risk for Galapagos marine species. Global Change Biology 16(10): 2876-2890.

Garske, L. E. (2002) Macroalgas Marinas, pp. 419-439. 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.

M.D. Guiry in Guiry, M.D. & Guiry, G.M. 18 December 2006. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 07 October 2023

Mead, G.W., Silva, P.C., Earle, S.A., Rozaire, C.A. and Janss, E. (1972). R/V Searcher Cruise 72-1 Galápagos Islands and Cocos Island. 49 pp.

Miller, K. A. and Garske, L. E. (2011). Galápagos Seaweeds. unpublished manuscript. 49 pp.

Miller, K. A., Garske, L. and Edgar, G. (2007). Dictyota galapagensis. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. ( Downloaded on 02 June 2013.

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 Galápagos Islands. Allan Hancock Pacific Expeditions 12 12(iv): 528 pp.

Wellington, G. M. (1975). The Galápagos coastal marine environments. A resource report to the Department of National Parks and Wildlife. A resource report to the Department of National Parks and Wildlife, Quito. 357 pp.


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