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Callithamnion

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Callithamnion
Callithamnion corymbosum
Scientific classification Edit this classification
Clade: Archaeplastida
Division: Rhodophyta
Class: Florideophyceae
Order: Ceramiales
Family: Callithamniaceae
Genus: Callithamnion
Lyngbye, 1819
Synonyms[1]
  • Aristothamnion J.Agardh, 1892
  • Ceratothamnion J.Agardh, 1892
  • Dasythamnion Nägeli, 1862
  • Dorythamnion Nägeli, 1861
  • Leptothamnion Kützing, 1849
  • Phlebothamnion Kützing, 1843

Callithamnion is a genus of algae belonging to the family Callithamniaceae.[2]

The genus was first described by Danish botanist Hans Christian Lyngbye in 1819,[2][3] and the type species is Callithamnion corymbosum (Smith) Lyngbye.,[2]

The genus has cosmopolitan distribution.[4] Species are found in Europe (including Norway and Great Britain,[5]), Australia,[6] America (including Massachusetts, New York, North Carolina and Georgia),[7] Newfoundland (Canada),[8] Sri Lanka and South Africa.[9][10]

The genus of Callithamnion has undergone 2 major changes in its history. Carl Nägeli (in 1861) transferred species without alternate branchlets to Antithamnion, Rhodochorton and Acrochaetium.[11] Then Genevieve Feldmann-Mazoyer in 1941 created genus Aglaothamnion for species having uninucleate cells, zig-zag carpogonial branches and lobed groups of carposporangia, and re-circumscribed Callithamnion. Aglaothamnion is now sometimes regarded as a synonym of Callithamnion with insufficient evidence for separate evolutionary lines of development.[2]

Description

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Callithamnion species are a marine red alga that is monaxial (having only one axis) with free filaments and the thalli are usually small tufts.[12] They are also erect, up to 10 cm tall, with irregular branching and have multinucleate cells.[13] In most species are gametophytes and sporophytes are found throughout the year, but are usually only fertile in the late summer and autumn.[8]

Species

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As accepted by WoRMS and AlgaeBase;[1][2]

References

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  1. ^ a b "WoRMS - World Register of Marine Species - Callithamnion Lyngbye, 1819". www.marinespecies.org. Retrieved 8 December 2022.
  2. ^ a b c d e "Callithamnion Lyngbye, 1819 :: Algaebase". www.algaebase.org. Retrieved 8 December 2022.
  3. ^ Feldmann-Mazoyer, G. (1819). Tentamen hydrophytologiae danicae (in Latin). Hafniae, typis Schultzianis, in commissis Librariae Gyldendaliae.
  4. ^ "Callithamnion Lyngbye, 1819". www.gbif.org. Retrieved 8 December 2022.
  5. ^ Marine Biological Association of the United Kingdom Journal of the Marine Biological Association of the United Kingdom (1887), p. 161, at Google Books
  6. ^ "Genus: Callithamnion". bie.ala.org.au. Atlas of Living Australia. Retrieved 8 December 2022.
  7. ^ a b Spencer, Kenneth G.; Yu, Myeong-Hee; West, John A.; Glazer, Alexander N. (1 December 1981). "Phycoerythrin and interfertility patterns in Callithamnion (Rhodophyta) isolates". British Phycological Journal. 16 (4): 331–343. doi:10.1080/00071618100650351.
  8. ^ a b Whittick, Alan (1981). "Culture and field studies on Callithamnion hookeri (Dillw.) S. F. Gray (Rhodophyta: Ceramiaceae) from Newfoundland". British Phycological Journal. 16 (3): 289–295. doi:10.1080/00071618100650311.
  9. ^ a b "South African Seaweeds - south coast". southafrseaweeds.uct.ac.za. Retrieved 8 December 2022.
  10. ^ Reddy, Maggie M.; Stegenga, Herre; Anderson, Robert J.; Bolton, John J. (6 October 2020). "An updated species inventory of Callithamnion sensu lato Rhodophyta, Callithamniaceae in South Africa with the description of Callithamnion africanum sp. nov". Phytotaxa. 461 (3). doi:10.11646/phytotaxa.461.3.1.
  11. ^ Carl Nägeli, 1861, Beiträge zur Morphologie und Systematik des Ceramiaceae. Sber. bayer. Akad. Wiss. Jb. 1861, Vol. 1, pp. 297–415, Plate 1.
  12. ^ "Callithamnion, Living". Carolina.com. Retrieved 8 December 2022.
  13. ^ "Phycokey - Callithamnion". cfb.unh.edu. Retrieved 8 December 2022.
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