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Polysiphonia pseudovillum Hollenberg

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Family Rhodomelaceae
Tribe Polysiphonieae
Genus Polysiphonia

Pictures

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Polysiphonia pseudovillum Hollenberg
Panama. Unicellular rhizoids at proximal end of parent cell, some with attachment pad.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Polysiphonia pseudovillum Hollenberg
Panama. Upright axes showing apical filament scar cells, one per segment in one-fourth spiral arrangement.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Polysiphonia pseudovillum Hollenberg
Panama. Upright axes with unusual double scar cells at base of branch.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Polysiphonia pseudovillum Hollenberg
Panama. Apex of erect axes with apical filaments.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Polysiphonia pseudovillum Hollenberg
Panama. Rhizoid separated by cell wall at proximal end of parent cell.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Polysiphonia pseudovillum Hollenberg
Panama. In situ bushy cluster.. D.S. Littler. © Diane Littler (littlerd@si.edu).

 

Polysiphonia pseudovillum Hollenberg Panama. Rhizoid separated by cell wall at proximal end of parent cell.
© Diane Littler (littlerd@si.edu)

Publication details
Polysiphonia pseudovillum Hollenberg 1968: 73, fig. 3C

Published in: Hollenberg, G.J. (1968). An account of the species of Polysiphonia of the central and western tropical Pacific Ocean. I. Oligosiphonia. Pacific Science 22: 56-98, 43 figs.
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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 Melanothamnus pseudovillum (Hollenberg) Díaz-Tapia & Maggs

Origin of species name
Noun (Latin), not like a species named villum.

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

General environment
This is a marine species.

Type information
Type locality: Johnston Island: North Island (Silva 1996-to date). Holotype: R.S. Jones; April 22 1965; [Hollenberg 65-52] (Silva 1996-to date Notes: Johnston Atoll, Central Pacific. Holotype: US 61232 (Díaz-Tapia, 2017). H. 65-52, tetrasporic, cystocarpic and spermatangial, growing on dead coral at a depth of 1-2 m and 20 m shoreward from the outer reef margin, north of North I., Johnston I. (Hollenberg, 1968).

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
Díaz-Tapia, P., Maggs, C.A., Macaya, E.C. & Verbruggen, H. (2018). Widely distributed red algae often represent hidden introductions, complexes of cryptic species or species with strong phylogeographic structure. Journal of Phycology 54(6): 829-839.

Huisman, J.M., Abbott, I.A., Smith, C.M. (2007). Hawaiian reef plants. pp. [1]-264, numerous colour photographs. Honolulu: A publication of the University of Hawai'i Sea Grant College Program.

Mamoozadeh, N.R. & Freshwater, D.W. (2012). Polysiphonia sensu lato (Ceramiales, Florideophyceae) species of Caribbean Panama including Polysiphonia lobophoralis sp. nov. and Polysiphonia nuda sp. nov.. Botanica Marina 55(4): 317-347.

Created: 26 June 1998 by M.D. Guiry

Verified by: 22 February 2019 by Wendy Guiry

Accesses: This record has been accessed by users 1601 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=11314

Citing AlgaeBase
Cite this record as:
Wendy 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 14 October 2019.

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