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Euastrum ovale (Ralfs ex Ralfs) Nägeli

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

Pictures

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

Euastrum ovale (Ralfs ex Ralfs) Nägeli
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).

Euastrum ovale (Ralfs ex Ralfs) Nägeli
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).

Euastrum ovale (Ralfs ex Ralfs) Nägeli
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).

Euastrum ovale (Ralfs ex Ralfs) Nägeli
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).

Euastrum ovale (Ralfs ex Ralfs) Nägeli
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).

 

Hutchinsia fastigiata (Roth) C.Agardh

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

Publication details
Euastrum ovale (Ralfs ex Ralfs) Nägeli 1849: 114

Published in: Nägeli, C. (1849). Gattungen einzelliger Algen, physiologisch und systematisch bearbeitet. Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften 10(7): i-viii, 1-139, pls I-VIII.
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Type species
The type species (lectotype) of the genus Euastrum is Euastrum ansatum Ehrenberg ex Ralfs.

Status of name
This name is currently regarded as a synonym of Cosmarium ovale Ralfs ex Ralfs

Basionym
Cosmarium ovale Ralfs ex Ralfs

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).

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

General environment
This is a freshwater species.

No distributions recorded
No distributional records for this taxon have been recorded by AlgaeBase to date. Generally, recent national lists or extensive regional or state lists have been employed to give a general indication of distribution.

Created: 15 January 2019 by M.D. Guiry

Verified by: 15 January 2019 by M.D. Guiry

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

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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=171208

Citing AlgaeBase
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 22 July 2019.

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