155,613 species and infraspecific names are in the database, 21,916 images, 60,166 bibliographic items, 438,693 distributional records.

Polysiphonia nigrescens (Hudson) Greville ex Harvey

Publication details
Polysiphonia nigrescens (Hudson) Greville ex Harvey 1833: 332

Published in: Harvey, W.H. (1833). Div. II. Confervoideae; Div. III. Gloiocladeae. In: The English Flora of Sir James Edward Smith. Class XXIV. Cryptogamia. Vol. V. (or Vol. II of Dr. Hooker's British flora). Part I. Comprising the Mosses, Hepaticae, Lichens, Characeae and Algae. (Hooker, W.J. Eds), pp. 263-265, 265-266, 326-389, 389-405. London: Longman, Brown, Green & Longmans Paternoster-Row.
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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 Vertebrata fucoides (Hudson) Kuntze

Basionym
Conferva nigrescens Hudson

Type information
Syntype localities: England: St. Ives, Cornwall and Exmouth, Devon (Silva, Basson & Moe 1996: 541).

Origin of species name
Participle (Latin), becoming black (Stearn 1973).

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

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Source of current name
Díaz-Tapia, P., McIvor, L., Freshwater, D.W., Verbruggen, H., Wynne, M.J. & Maggs, C.A. (2017). The genera Melanothamnus Bornet & Falkenberg and Vertebrata S.F. Gray constitute well-defined clades of the red algal tribe Polysiphonieae (Rhodomelaceae, Ceramiales). European Journal of Phycology 52(1): 1-20, 77 figs.

Key references
Zinova, A.D. (1955). Opredelitel burykh vodoroslej severnykh morej SSSR [Determination book of the red algae of the northern seas of the USSR]. pp. 1-219 [+ 1], 169 figs. Moscow & Leningrad: Akad. Nauk SSSR.

Zinova, A.D. (1967). Opredelitel zelenikh, burikh i krasnich odoroslei juzhnikh morei SSSR [Guide to the green, brown and red algae of the southern seas of USSR]. pp. 1-398. Moscow, Leningrad: Academia Nauk. [in Russian]

Created: 17 November 1998 by M.D. Guiry

Verified by: 11 March 2019 by M.D. Guiry

Accesses: This record has been accessed by users 1887 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Pedersén, M.E.E., Roomans, G.M. & von Hofsten, A. (1981). Bromine in the cuticle of Polysiphonia nigrescens: localization and content. Journal of Phycology 17: 105-108.
Verlaque, M. & Riouall, R. (1989). Introduction de Polysiphonia nigrescens et d'Antithamnion nipponicum (Rhodophyta, Ceramiales) sur le littoral Méditerranéen Français. Cryptogamie, Algologie 10: 313-323.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=13274

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

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