Callithamnion tetricum (Dillwyn) S.F.Gray 1821

Callithamnion tetricum (Dillwyn) S.F.Gray

Callithamnion tetricum (Dillwyn) S.F.GrayFinavarra, Co. Clare, ireland; plants to 70 mm long - 25 May 2011. M.D. Guiry (mike.guiry@nuigalway.ie)

Publication Details
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, [1]- 824, pls I-XXI plates. London: Printed for Baldwin, Cradock & Joy, Paternoster-Row.

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Publication date: 1 Nov. 1821

Type Species
The type species (lectotype) of the genus Callithamnion is Callithamnion corymbosum (Smith) Lyngbye.

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

Basionym
Conferva tetrica Dillwyn

Type Information
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).

General Environment
This is a marine species.

Description
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.

Habitat
On shady rocks in under fucoid canopies, lower intertidal and subtidal, southern and western coasts, common.

Created: 31 March 1996 by M.D. Guiry.

Last updated: 16 April 2018

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=144

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 16 April 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 30 September 2022

 
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