153,789 species and infraspecific names are in the database, 21,012 images, 59,564 bibliographic items, 413,155 distributional records.

Cosmarium ovale Ralfs ex Ralfs

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Viridiplantae
Infrakingdom Streptophyta infrakingdom
Phylum Charophyta
Class Conjugatophyceae (Zygnematophyceae)
Order Desmidiales
Family Desmidiaceae
Genus Cosmarium

Pictures

click on thumbnail for larger version.

Cosmarium ovale Ralfs ex Ralfs
Collected by David Williamson, Nottely Lake, N Georgia USA. Formalin preserved.. 31 Aug 2012. © C.F.Carter (chris.carter@6cvw.freeuk.com).

Cosmarium ovale Ralfs ex Ralfs
Granules along edge of cell. Collected from Kelly Hall Tarn, Cumbria.. 01 Oct 2009. © C.F. Carter (Chris.carter@6cvw.freeuk.com) C.F. Carter (Chris.carter@6cvw.freeuk.com).

Cosmarium ovale Ralfs ex Ralfs
Side views at different focus points. Collected from Kelly Hall Tarn, Cumbria.. 01 Oct 2009. © C.F. Carter (Chris.carter@6cvw.freeuk.com) C.F. Carter (Chris.carter@6cvw.freeuk.com).

Cosmarium ovale Ralfs ex Ralfs
Pores in face of cell. Collected from Kelly Hall Tarn, Cumbria.. 01 Oct 2009. © C.F. Carter (Chris.carter@6cvw.freeuk.com) C.F. Carter (Chris.carter@6cvw.freeuk.com).

Cosmarium ovale Ralfs ex Ralfs
Apical views at different focus points. Collected from Kelly Hall Tarn, Cumbria.. 01 Oct 2009. © C.F. Carter (Chris.carter@6cvw.freeuk.com) C.F. Carter (Chris.carter@6cvw.freeuk.com).

Cosmarium ovale Ralfs ex Ralfs
Face,side and apical views at different focus points. Collected from Kelly Hall Tarn, Cumbria.. 01 Oct 2009. © C.F.Carter (chris.carter@6cvw.freeuk.com).

 

Ozothallia nodosa f. furcata (Areschoug) Kjellman

Cosmarium ovale Ralfs ex Ralfs Granules along edge of cell. Collected from Kelly Hall Tarn, Cumbria.
© C.F. Carter (Chris.carter@6cvw.freeuk.com) C.F. Carter (Chris.carter@6cvw.freeuk.com)

Publication details
Cosmarium ovale Ralfs ex Ralfs 1848: 98, pl. XV [15]: fig. 9

Published in: Ralfs, J. (1848). The British Desmidieae. pp. [i]-xxii, [i], [1]-226, pls I-XXXV. London: Reeve, Benham & Reeve.
 Download PDF

Type species
The type species (lectotype) of the genus Cosmarium is Cosmarium undulatum Corda ex Ralfs.

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

Origin of species name
Adjective (Latin), oval, elliptical, i.e., broadest at the middle, the sides curved and length:breadth generally 2:1 (Stearn 1973).

Homotypic Synonym(s)
Cosmaridium ovale (Ralfs ex Ralfs) Hansgirg

Heterotypic Synonym(s)
Pleurotaeniopsis ovalis (Ralfs) De Toni

Taxonomic notes
It was previously published at Ralfs, 1844, Ann. Mag. Nat. Hist. 14, p. 394; pl. XI: fig. 7. [INA] - (6 Jan 2018) - Salvador Valenzuela Miranda

General environment
This is a freshwater species.

Detailed distribution with sources (Click to Load)

Key references
Abdelahad, N., Bazzichelli, G. & D'Archino, R. (2003). Catalogo delle Desmidiacee (Chorophyta, Zygnematophyceae) segnalate in Italia. A checklist of Desmids (Chlorophyta, Zygnematophyceae) reported in Italy. Accademia Nazionale delle Scienze 11: 1-102.

Brook, A.J., Williamson, D.B. & John, D.M. (2011). Phylum Chlorophyta. Suborder Desmidiineae. In: The freshwater algal flora of the British Isles. An identification guide to freshwater and terrestrial algae. Second edition. (John, D.M., Whitton, B.A. & Brook, A.J. Eds), pp. 636-741. Cambridge: Cambridge University Press.

Chang, T.-P. & Steinberg, C. (1989). Identifizierung von nanoplanktischen Kieselalgen (Centrales, Bacillariophyceae) in der Rott und im Rott-Stausee (Bayern, Bundesrepublik Deutschland). Archiv für Protistenkunde 137: 111-129.

Coesel, P.F.M. & Meesters, K.[J.] (2007). Desmids of the Lowlands Mesotaeniaceae and Desmidaceae of the European Lowlands. pp. [1]-351, 20 text-figs, 123 pls. Zeist: KNNV Publishing.

Förster, K. (1982). Conjugatophyceae Zygnematales und Desmidiales (excl. Zygnemataceae). In: Das Phytoplankton des Süßwassers Systematik und Biologie [Band] 8. Teil 1. Hälfte. pp. [i]-viii, [1]-543. Stuttgart: E. Schweizerbart'sche Verlangbuchhandlung (Nägele u. Obermiller). [in On shelf with series]

John, D.M. & Williamson, D.B. (2009). A practical guide to the desmids of the west of Ireland. pp. [i]-viii, 1-196, 49 pls, 12 col. photogr. 8 line- figs, 1 map, 3 tabs. Galway: Martin Ryan Institute.

Kouwets, F.A.C. (1999). A check-list of desmids (Chlorophyta, Zygnemaphyceae) of France. Patrimoines Natureles 41: 1-148.

Palamar-Mordvintseva, G.M. (1986). [Identification manual of the freshwater algae of Ukrainian RSR. Issue VIII Part 2 Dedmidiales]. pp. [1]-317 [318]. Kiev: Nauk. Dumka Press. [in Ukrainian]

Petlovany, O.A. & Tsarenko, P.M. (2015 '2014'). Desmidiales. In: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Volume 4: Charophyta. (Tsarenko, P.M., Wasser, S.P. & Nevo, E. Eds), pp. 61-448. Ruggell: Koeltz Scientific Books.

West, W. & West, G.S. (1908). A monograph of the British Desmidiaceae. III. pp. [i]-xv, [1]-274, pl. 65-95. London: The Ray Society.

Created: 11 April 2002 by M.D. Guiry

Verified by: 10 September 2018 by M.D. Guiry

Accesses: This record has been accessed by users 831 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.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=35102

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 11 December 2018.

SITE © 1996 - 2018 M.D. Guiry. All rights reserved.

Website Design : 249 Design Studio