155,278 species and infraspecific names are in the database, 21,865 images, 60,056 bibliographic items, 436,069 distributional records.

Sargassum johnstonii f. laxius Setchell & Gardner

Publication details
Sargassum johnstonii f. laxius Setchell & Gardner 1924: 737, 738, pl. 21: figs 75, 81

Published in: Setchell, W.A. & Gardner, N.L. (1924). XXIX Expedition of the California Academy of Sciences to the Gulf of California in 1921. The marine algae. Proceedings of the California Academy of Science, Fourth Series 12(29): 695-949, pls 12-88, map.
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Type species
The type species (holotype) of the genus Sargassum is Sargassum bacciferum (Turner) C.Agardh.

Status of name
This name is currently regarded as a synonym of Sargassum johnstonii f. gracile Setchell & N.L.Gardner

Basionym
Sargassum johnstonii Setchell & N.L.Gardner

Type information
Type locality: Georges Island, Sonora, Mexico (Silva, Basson & Moe 1996: 681). Type: Ivan M. Johnston (No. 71); April; Herb. Calif. Uni Sci. 1341 (Setchell & Gardner 1924: 737).

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Type information
Type locality: Guaymas, Mexico (Setchell & Gardner 1924: 738). Type: Marchant (no.28); Cast ashore. (Setchell & Gardner 1924: 738).

No distributions recorded
No distributional records for this taxon have been recorded by AlgaeBase to date. Generally, recent national lists or extensive regional or state lists have been employed to give a general indication of distribution.

Source of current name
Norris, J.N. (2010). Marine algae of the Northern Gulf of California: Chlorophyta and Phaeophyceae. Smithsonian Contributions to Botany 94: i-x, 1-276.

Created: 15 November 2001 by Olivia Fitzgerald

Verified by: 31 March 2010 by M.D. Guiry

Accesses: This record has been accessed by users 942 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=26386

Citing AlgaeBase
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 26 May 2019.

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