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Schroederia (alga)

Schroederia
Schroederia setigera
Scientific classification Edit this classification
Clade: Viridiplantae
Division: Chlorophyta
Class: Chlorophyceae
Order: Sphaeropleales
Family: Schroederiaceae
Genus: Schroederia
Lemmermann, 1898
Type species
Schroederia setigera
(Schröder) Lemmermann

Schroederia is a genus of green algae in the family Schroederiaceae.[1] Schroederiaceae is a monotypic taxon; Schroederia is its only genus.[2]

The genus was circumscribed by Ernst Johann Lemmermann in Hedwigia vol.37 on page 311 in 1898. The genus name of Schroederia is in honour of Ludwig Julius Bruno Schröder (1867–1928), who was a German teacher, botanist (Algology and Bryology), also Hydrobiologist and Zoologist. He worked as a deputy head teacher in Breslau.[3]

Description

Schroederia consists of solitary cells that are needle- or spindle-shaped. They may be straight or curved. The cells end in long spines; at one end the spine may be bifurcated. Cells contain a single parietal chloroplast and one or several pyrenoids.[4] As the cell matures, it develops multiple parietal chloroplasts along its long axis.[5] Cells have one nucleus (uninucleate) when young but may become multinucleate.[1]

Species are distinguished from one another by their overall shape and size.[1]

Reproduction

Schroederia reproduces excusively by asexual means.[1] Schroederia produces zoospores with two flagella, which are released when the mother cell's wall tears open.[1] Zoospores contain a single contractile vacuole and a cup-shaped chloroplast with a single pyrenoid.[1]

Distribution

Schroederia is commonly found in as phytoplankton in freshwater habitats.[4] It has an essentially cosmopolitan distribution, being found in tropical and temperate habitats worldwide.[1]

Species

As accepted by AlgaeBase;[1]

Former species;

References

  1. ^ a b c d e f g h Guiry, M.D.; Guiry, G.M. "Schroederia". AlgaeBase. University of Galway. Retrieved 2022-02-23.
  2. ^ Guiry, M.D.; Guiry, G.M. "Schroederiaceae". AlgaeBase. University of Galway.
  3. ^ Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. Retrieved January 27, 2022.
  4. ^ a b Shubert, Elliot; Gärtner, Georg (2014). "Chapter 7. Nonmotile Coccoid and Colonial Green Algae". In Wehr, John D.; Sheath, Robert G.; Kociolek, J. Patrick (eds.). Freshwater Algae of North America: Ecology and Classification (2 ed.). Elsevier Inc. ISBN 978-0-12-385876-4.
  5. ^ Bicudo, Carlos E. M.; Menezes, Mariângela (2006). Gêneros de Algas de Águas Continentais do Brasil: chave para identificação e descrições (2 ed.). RiMa Editora. p. 508. ISBN 857656064X.


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