Overview

Comprehensive Description

Description

 Rhodothamniella floridula is a perennial brownish red seaweed found on the lower shore. It usually covers large areas of rock in sandy habitats. At the base of the seaweed, filaments bind with sand to form a spongy, carpet like mass. The filaments are well-spaced and branch out up to 3 cm in length. Upright filaments of the seaweed uncovered by the ebbing tide appear as tufts of hair. When plants dry out they have a purplish tinge.
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Ecology

Habitat

Depth range based on 16 specimens in 2 taxa.

Environmental ranges
  Depth range (m): 0 - 7.5

Graphical representation

Depth range (m): 0 - 7.5
 
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 Rhodothamniella floridula usually occurs on sand-covered rocks in the littoral and sublittoral to about 5 m depth (as Rhodochorton floridulum and Audouinella floridula respectively) (Dickinson, 1963; Dixon & Irvine, 1997). Rhodothamniella floridula (as Audouinella floridula) inhabits areas in shelter, partly under larger seaweeds (Hayward et al., 1996).
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Rhodothamniella floridula

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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Wikipedia

Rhodothamniella

Rhodothamniella floridula is a small red seaweed detectable more easily with the feet than with the eyes. It thrives only where sand and rock occur together: anchored to the rock, it accumulates sand to form a slightly soft irregular carpet a centimetre or so in thickness. Although the surface is a dull red colour, in cross section the appearance is of a miniature sand dune with no visible algal component. Unable to stand significant desiccation, it prefers locations from the mid-shore downwards.

It is to be found on most suitable shorelines around Britain and northern Europe.

Picture of Rhodothamniella 
Picture of Rhodothamniella 

References


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