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Thamnoclonium dichotomum (J.Agardh) J.Agardh 1876

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Halymeniales
Family Halymeniaceae
Genus Thamnoclonium


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Thamnoclonium dichotomum (J.Agardh) J.Agardh
Albany, Western Australia. J.M. Huisman. © J.M. Huisman.

Thamnoclonium dichotomum (J.Agardh) J.Agardh
Sarcothalia radula?, Safety Cove, Tasmania, Australia. 01 Nov 2009. M.D. Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Thamnoclonium dichotomum (J.Agardh) J.Agardh
Albany, Western Australia.. John Huisman. © John Huisman (j.huisman@murdoch.edu.au).

Thamnoclonium dichotomum (J.Agardh) J.Agardh
KwaZulu-Natal. Heroen Verbruggen. © Heroen Verbruggen (heroen.verbruggen@gmail.com).


Delesseria beringiana Ruprecht

Thamnoclonium dichotomum (J.Agardh) J.Agardh Albany, Western Australia.
© John Huisman (j.huisman@murdoch.edu.au)

Publication details
Thamnoclonium dichotomum (J.Agardh) J.Agardh 1876: 168

Published in: Agardh, J.G. (1876). Species genera et ordines algarum, seu descriptiones succinctae specierum, generum et ordinum, quibus algarum regnum constituitur. Volumen tertium: de Florideis curae posteriores. Part 1. pp. [ii*-iii*], [i]-[viï], [1]-724. Lipsiae [Leipzig]: C.W.K. Gleerup.
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Publication date: Apr-Aug 1876

Type species
The type species (holotype) of the genus Thamnoclonium is Thamnoclonium hirsutum Kützing.

Status of name
This name is of an entity that is currently accepted taxonomically.

Polyphacum dichotomum J.Agardh

Type information
Type locality: "ad oras Novae Hollandiae" (New South Wales, Australia) (Silva & al. 1996: 204). Lectotype: Sieber; Herb. Agardh, LD 23051 (Womersley & Lewis 1994: 214). Notes: Womersley & Lewis (1994: 214) notes that there is an isolectotype in MEL (606050) and that Sieber collected from the Sydney region, N.S.W., not in W. Aust. as stated by Chiang (1970: 62).

Origin of species name
Adjective (Latin), dichotomous, having divisions always in pairs (Stearn 1973).

Homotypic Synonym(s)
Polyphacum dichotomum J.Agardh 1841
Thamnoclonium hirsutum var. africanum Kützing 1849
Thamnoclonium claviferum J.Agardh 1876
Thamnoclonium codioides J.Agardh 1876

Heterotypic Synonym(s)
Thamnoclonium hirsutum Kützing 1843
Thamnoclonium proliferum Sonder 1845
Thamnoclonium seminerve J.Agardh 1885

General environment
This is a marine species.

From depths of two to at least 30 m; attached to rocky substrata in regions of strong tidal currents, although they are also able to tolerate considerable siltation (Scott et al. 1984).

Detailed distribution with sources (Click to Load)

Key references
Huisman, J.M. (2019). Marine plants of Australia Revised edition. pp. [i]-xviii, [1]-435, numerous col. figs. Crawley Western Australia: UWA Publishing.

Scott, F.J. (2017). Marine plants of Tasmania. pp. [i]-viii, 1-360, numerous col. illus. Hobart: Tasmania Herbarium, Tasmanian Museum and Art Gallery.

Scott, F.J., Wetherbee, R. & Kraft, G.T. (1984). The morphology and development of some prominently stalked southern Australian Halymeniaceae (Cryptonemiales, Rhodophyta). II. The sponge-associated genera Thamnoclonium Kuetzing and Codiophyllum Gray. Journal of Phycology 20: 286-295, 24 figs.

Womersley, H.B.S. & Lewis, J.A. (1994). Family Halymeniaceae Bory 1828: 158. In: The marine benthic flora of southern Australia. Part IIIA. Bangiophyceae and Florideophyceae (Acrochaetiales, Nemaliales, Gelidiales, Hildenbrandiales and Gigartinales sensu lato). (Womersley, H.B.S. Eds), pp. 167-218. Canberra: Australian Biological Resources Study.

Created: 31 December 1997 by M.D. Guiry

Verified by: 16 January 2020 by M.D. Guiry

Accesses: This record has been accessed by users 1212 times since it was created.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 25 October 2021.

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