Scenedesmus rotundus L.A.Lewis & Flechtner, nom. inval. 2004
Publication Details
Scenedesmus rotundus L.A.Lewis & Flechtner, nom. inval. 2004: 1134, fig. 1C
Published in: Lewis, L.A. & Flechtner, V.R. (2004). Cryptic species of Scenedesmus (Chlorophyta) from desert soil communities of western North America. Journal of Phycology 40(6): 1127-1137, 5 figs, 2 tables.
Request PDFPublication date: 2004
Type Species
The type species (lectotype) of the genus Scenedesmus is Scenedesmus obtusus Meyen.
Status of Name
This name is currently regarded as a synonym of Flechtneria rotunda Sciuto & L.A.Lewis.
Type Information
Type locality: San Nicolas Island, California, USA (33.2ºN latitude, 119.2ºW longitude); (Lewis & Flechtner 2004: 1134) Holotype: July 1993; Desert soil surface; (Lewis & Flechtner 2004: 1134) Notes: Holotype: Biotic Crust Project BCP-SEV3-VF49, UTEX Culture Collection, University of Texas, Austin, Texas, USA.
Origin of Species Name
Adjective (Latin), almost circular, with length breadth ration of about 6 to 5 (Stearn 1973).
Description
Colonies grown on agar spherical, sparse, light green becoming slightly orange with age. Cells oval to spherical, 4-34 microns in diameter. Uninucleate. Hollow, striated parietal chloroplast. Spherical pyrenoid with marked starch hull. Cells become vacuolated with age. Orange pigment accumulating in some cells. Eight to 16 spherical autospores released by splitting of mother cell wall. Cell wall thickening slightly with age. No motile stages or colony formation obseved in liquid culture.
Created: 24 November 2006 by G.M. Guiry.
Last updated: 13 October 2020
Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=131696
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 13 October 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 26 April 2024
