157,001 species and infraspecific names are in the database, 22,048 images, 60,697 bibliographic items, 451,449 distributional records.

Ceramium tetragonum (Withering) C.Agardh

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Family Ceramiaceae
Subfamily Ceramioideae
Tribe Ceramieae
Genus Ceramium

Pictures

click on thumbnail for larger version.

Ceramium tetragonum (Withering) C.Agardh
microscope, Spain, Galicia, A Coruña, Veigue, 2001. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Ceramium tetragonum (Withering) C.Agardh
microscope, Spain, Galicia, A Coruña harbour. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Ceramium tetragonum (Withering) C.Agardh
microscope, Spain, Galicia, Ría de Betanzos, 2006. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Ceramium tetragonum (Withering) C.Agardh
microscope, Spain, Galicia, A Coruña harbour; cystocarps. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Ceramium tetragonum (Withering) C.Agardh
Carreroe, Co. Galway, Ireland; drift. 14 Apr 2009. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Ceramium tetragonum (Withering) C.Agardh
Finavarra, Co. Clare, Ireland. 08 Aug 2004. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Ceramium tetragonum (Withering) C.Agardh
Spain, Galicia, A Coruña, Ártabra, 2005, intertidal; growing epiphytically on Bifurcaria bifurcata. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Ceramium tetragonum (Withering) C.Agardh
Carreroe, Co. Galway, Ireland; chloroplasts and nuclei in axial cell. 14 Apr 2009. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Ceramium tetragonum (Withering) C.Agardh
Carreroe, Co. Galway, Ireland; composite picture. 13 Apr 2009. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

 

Callithamnion tetragonum (Withering) S.F.Gray Carreroe, Co. Galway, Ireland; chloroplasts and nuclei in axial cell
© Michael Guiry (mike.guiry@nuigalway.ie)

Publication details
Ceramium tetragonum (Withering) C.Agardh 1817: 137

Published in: Agardh, C.A. (1817). Synopsis algarum Scandinaviae, adjecta dispositione universali algarum. pp. [i]-xl, [1]-135. Lundae [Lund]: Ex officina Berlingiana.
 Download PDF

Publication date: Mai-Dec 1817 (p. vii: i Mai 1817)

Type species
The type species (lectotype) of the genus Ceramium is Ceramium virgatum Roth.

Status of name
This name is currently regarded as a synonym of Callithamnion tetragonum (Withering) S.F.Gray

Basionym
Conferva tetragona Withering

Type information
Type locality: Bill of Portland, Dorset, England (Dixon & Price 1981: 138). Lectotype: Velley & Stackhouse; undated; GL (Maggs & Hommersand 1993: 129).

Origin of species name
Adjective (Latin), four-angled (Stearn 1973).

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

No distributions recorded
No distributional records for this taxon have been recorded by AlgaeBase to date. Generally, recent national lists or extensive regional or state lists have been employed to give a general indication of distribution.

Source of current name
Gray, S.F. (1821). A natural arrangement of British plants, according to their relations to each other, as pointed out by Jussieu, De Candolle, Brown, &c. including those cultivated for use; with an introduction to botany, in which the terms newly introduced are explained; illustrated by figures. pp. vol. 1: [i]-xxviii, [1]- 824, pls I-XXI plates. London: Printed for Baldwin, Cradock & Joy, Paternoster-Row.

Created: 28 May 2000 by Fabio Rindi

Verified by: 09 February 2017 by M.D. Guiry

Accesses: This record has been accessed by users 512 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=22493

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 16 December 2019.

SITE © 1996 - 2019 M.D. Guiry. All rights reserved.

Website Design : 249 Design Studio