Cystoseira osmundacea (Turner) C.Agardh 1820

Current name: Stephanocystis osmundacea (Turner) Trevisan
Oregon, USA; receptacle of female plant showing clusters of released eggs Eric Henry (eric@reedmariculture.com)

Publication Details
Cystoseira osmundacea (Turner) C.Agardh 1820: 69

Published in: Agardh, C.A. (1820 '1821'). Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis. Volumen primum. Pars prima. pp. [i-iv], [1]-168. Lundae [Lund]: ex officina Berlingiana.

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Publication date: probably Jan-April 1820

Type Species
The type species (lectotype) of the genus Cystoseira is Cystoseira concatenata (Linnaeus) C.Agardh.

Status of Name
This name is currently regarded as a synonym of Stephanocystis osmundacea (Turner) Trevisan.

Source of Synonymy
Draisma, S.G.A., Ballesteros, E., Rousseau, F. & Thibaut, T. (2010). DNA sequence data demonstrate the polyphyly of the genus Cystoseira and other Sargassaceae genera (Phaeophyceae). Journal of Phycology 46(6): 1329-1345.

Basionym
Fucus osmundaceus Turner

Type Information
Type locality: At Port Trinidad, on the North-west coast of America; (Turner 1808-1809: 92) Type: Mr. Menzies; BM-K;

General Environment
This is a marine species.

Created: 12 April 1998 by M.D. Guiry.

Last updated: 04 September 2012

Verification of Data
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Nomenclatural note
Taylor (1945) cites this species as Cystoseira osmundacea (Menzies) C. Agardh. - (11 May 2006) - G.M. Guiry

Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=4867

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 04 September 2012. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 21 May 2025