Desmidium baileyi (Ralfs) Nordst.

SÁNCHEZ, Luzmila, SÁNCHEZ, Fernando R., RÍOS-TOUMA, Blanca & José V. MONTOYA, 2025, Desmidiales (Desmidiaceae, Zygnematophyceae) from lowland rivers and floodplain lakes of Ecuadorian Amazonia, Cryptogamie, Algologie 20 (3), pp. 31-60 : 40

publication ID	https://doi.org/10.5252/cryptogamie-algologie2025v46a3
DOI	https://doi.org/10.5281/zenodo.17179290
persistent identifier	https://treatment.plazi.org/id/C7390B66-FFF4-913A-ACB9-FD7A0BEFFA73
treatment provided by	Plazi
scientific name	Desmidium baileyi (Ralfs) Nordst.
status

Treatment

( Fig. 3A View FIG )

Acta Universitatis lundensis 16 (1878-1880): 4 ( Nordstedt 1880). — Aptogonum baileyi Ralfs , The British Desmidieae: 208 ( Ralfs 1848).

Aptogonum tetragonum Delponte, Memorie della Reale Accademia delle Scienze di Torino, series 2, 28: 75 ( Delponte 1873). — Desmidium aptogonum var. tetragonum (Delponte) West & G. S. West, Transactions of the Linnean Society of London, Botany, series 2, 6: 193 ( West & West 1902). — Desmidium elenkinii I. A. Kisselev , Izvestiya Otdela Prikladnoy Ikhtiologii i Nauchno-Promyaslov Issledov 5 (2): 286, 301 ( Kisselev 1927).

DISTRIBUTION. — Cosmopolitan. Amazon Basin: Grönblad (1945); Scott et al. (1965); Förster (1969, 1974); Uherkovich (1976, 1981); Uherkovich & Rai (1979); Melo et al. 2005); Souza de et al. (2007); Melo & Souza de (2009); Souza de & Melo (2010); Cadima (2013). Western Amazonia (lowlands): Duque & Núñez-Avellaneda (2000); Núñez-Avellaneda (2008); Díaz-Olarte & Duque (2009).

DESCRIPTION

Cells 21.0-31.3 µm long, 21.0-22.0 µm wide; cells 1.0-1.2 times longer than wide.Mostly quadrangular cells, some nearly rectangular, median constriction slightly marked, apical margin slightly depressed; lateral margin parallel to sometimes undulating near isthmus; semicells joined by cylindrical processes.

Kingdom	Plantae
Phylum	Charophyta
Class	Conjugatophyceae
Order	Zygnematales
Family	Desmidiaceae
Genus	Desmidium