Callithamnion tetricum ( ) S.F.Gray
Callithamnion tetricum (Dillwyn) S.F.Gray Finavarra, Co. Clare, ireland; plants to 70 mm long
© M.D. Guiry (email@example.com)
Callithamnion tetricum (Dillwyn) S.F.Gray 1821: 324
Published in: 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, - 824, pls I-XXI plates. London: Printed for Baldwin, Cradock & Joy, Paternoster-Row.
Status of name
This name is of an entity that is currently accepted taxonomically.
Conferva tetrica Dillwyn
Type locality: Common about the Mumbles and in other parts of the Peninsula of Gower (Dillwyn 1806: pl. 81). Lectotype: P. Thompson A4502; WELT Herb. Silvanus P.Thompson A 4502 (Dixon & Price 1981: 138). Notes: Dixon & Price (1977: 138): "Type locality: 'Common about the Mumbles and in other parts of the Peninsula of Gower' (Dillwyn, 1806, pi. 81). Lectotype: WELT, Herb. Silvanus P. Thompson A 4502, Dillwyn, Swansea, 1806."
Origin of species name
Adjective (Latin), harsh (Newton 1931).
Ceramium congestum Bonnemaison 1828
This is a marine species.
Shaggy, rigid, dark brownish red tufts, to 200 mm long, from large discoid base. Main axes and branches corticated, often with weft of adventitious laterals. Branches irregularly alternate, those of final order clothed in alternately pinnate ramuli, which are somewhat attenuate at base and apex, with cells 1-1.5 times as long as broad.
On shady rocks in under fucoid canopies, lower intertidal and subtidal, southern and western coasts, common.
Athanasiadis, A. (2016). Phycologia Europaea Rhodophyta Vol. II. pp. , 763-1504. Thessaloniki: Published and distributed by the author.
Dixon, P.S. & Price, J.H. (1981). The genus Callithamnion (Rhodophyta: Ceramiaceae) in the British Isles. Bulletin of the Britsh Museum (Natural History), Botany 9: 99-141.
Loiseaux-de Goër, S. & Noailles, M.-C. (2008). Algues de Roscoff. pp. -215, col. figs. Roscoff: Editions de la Station Biologique de Roscoff.
Maggs, C.A. & Hommersand, M.H. (1993). Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 3A. Ceramiales. pp. [i]-xv, 1-444, 129 figs, map. London: HMSO.
Created: 31 March 1996 by M.D. Guiry
Verified by: 16 April 2018 by M.D. Guiry
Accesses: This record has been accessed by users 2309 times since it was created.
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(Please note: only references with the binomials in the title are included. The information is from the Literature database.)
Westbrook, M.A. (1930). Callithamnion tetricum (Dillw.) Ag.. Journal of Botany, British and Foreign 68: 193-203.
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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 24 May 2019.