Polysiphonia subtilissima Montagne 1840

Publication Details
Polysiphonia subtilissima Montagne 1840: 199

Published in: Montagne, C. (1840). Seconde centurie de plantes cellulaires exotiques nouvelles. Décades I et II. Annales des Sciences Naturelles, Botanique, Seconde Série 13: 193-207, pls 5, 6.

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Type Species
The type species (holotype) of the genus Polysiphonia is Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville.

Status of Name
This name is currently regarded as a synonym of Bryocladia subtilissima (Montagne) Díaz-Tapia.

Source of Synonymy
Díaz-Tapia, P. & Verbruggen, H. (2023 '2024'). Resolving the taxonomy of the Polysiphonia scopulorum complex and the Bryocladia lineage (Rhodomelaceae, Rhodophyta). Journal of Phycology 60(1): 49–72, 13 figures.

Type Information
Type locality: Cayenne [Guyana/French Guiana]; (Montagne 1840: 199) Holotype: Leprieur 353; PC; Herb. Montagne (Womersley 2003: 178) Notes: BM000530488, BM000937021, BM000937025 (Isotypes).

Origin of Species Name
Adjective (Latin), most slender, very delicate, or precise.

General Environment
This is a marine species.

Habitat
Usually occurs in sheltered bays in shallow water or just intertidal (Womersley 2003: 180).

Created: 04 August 1996 by M.D. Guiry.

Last updated: 14 April 2024

Verification of Data
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Taxonomic note
?Polysiphonia abscissa Hooker & Harvey 1845a: 266 (Womersley 2003: 178). - (28 January 2009) - G.M. Guiry

Habitat note
This species is included as a "freshwater" alga in Kumano (2002: 324) as it is known in the USA to occur 170 km upstream from the drainage basin mouth and 140 km from tidal influence, and as such is the only Polysiphonia known in a truly freshwater habitat. Harvey (1853: 35) described a var. westpointensis based on plants collected at West Point on the Hudson River, 60 miles from the sea, and collected by Prof. J.W. Bailey (in herb. TCD). It is also known from brackish habitats in Jamaica, the Greater Antilles and in Central America. - (15 September 2007) - G.M. Guiry

Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=806

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 14 April 2024. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 01 June 2025

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