158,879 species and infraspecific names are in the database, 22,385 images, 61,551 bibliographic items, 457,090 distributional records.

Closterium ehrenbergii f. percrassum Grönblad 1920

Publication details
Closterium ehrenbergii f. percrassum Grönblad 1920: 17, pl. V: fig. 43 (as 'percrassa' )

Published in: Grönblad, R. (1920). Finnländische Desmidiaceen aus Keuru. Acta Societatis pro Fauna et Flora Fennica 47(4): 1-98, 6 pls.
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Type species
The type species (lectotype) of the genus Closterium is Closterium lunula Ehrenberg & Hemprich ex Ralfs.

Status of name
This name is of an entity that is currently accepted taxonomically.

No synonyms are currently included in AlgaeBase.

Nomenclatural notes
Cited as "Closterium ehrenbergii var. percrassum (Borge) Grönblad 1920 in Prescott, Croasdale & Vinyard (1975: 50) but Grönblad (1920: 17) has "forma percrassa" [percrassum] nob[is] and cites a figure in Borge, not a name. Accordingly, the name is to be referred solely to Grönblad and the figure in Borge could serve as an icontype. - (20 Dec 2016) - M.D. Guiry

As "var. percrassum" in some lists (e.g., Prescott, Croasdale & Vinyard, 1975; Medvedeva & Nikulina 2014). - (20 Dec 2016) - M.D. Guiry

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Key references
Medvedeva, L.A. & Nikulina, T.V. (2014). [Catalogue of freshwater algae of the southern part of the Russian Far East]. pp. 1-271. Vladivostok: Dalnauka. [in Russian]

Prescott, G.W., Croasdale, H.T. & Vinyard, W.C. (1975). A synopsis of North American desmids. Part II. Desmidiaceae: Placodermae. Sect. 1. pp. 1-275, 57 pls. Lincoln: University of Nebraska Press.

Vrhovsek, D., Kosi, G., Klemencic, A.K. & Smolar-Zvanut, N. (2006). Monografija sladkovodnih in kopenskih alg v Sloveniji. Monograph on freshwater and terrestrial algae in Slovenia. pp. [1]-172. Ljubljana: Zalozba ZRC, ZRC SAZU. [in Slovenian and English]

Created: 13 March 2006 by M.D. Guiry

Verified by: 20 December 2016 by M.D. Guiry

Accesses: This record has been accessed by users 256 times since it was created.

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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=89715

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 13 August 2020.

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