Overview

Comprehensive Description

Description

Thallus erect growing from stoloniferous holdfast with a short stipe expanding into a fan-shaped flattened blade with parallel sides less than 4 mm wide.The blade divides dichotomously 4 or 5 times to a height of 8 cms. The apices sometimes are elongated into proliferations up to 2 cms long. Rhodymenia pseudopalmata has wider blades of 5-10 mm.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Distribution

Most common on the southern coasts of the British Isles. Scattered sites around Ireland, west Ireland, Wales, west Scotland and England on the south coast, Kent and Norfolk, occasional elsewhere. Europe: Spain and France. Further afield: Canary Islands and South Africa.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Physical Description

Type Information

Type locality: Sussex, England
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Source: AlgaeBase

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Ecology

Habitat

Depth range based on 23 specimens in 1 taxon.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 0 - 34.1
  Temperature range (°C): 11.639 - 11.785
  Nitrate (umol/L): 4.573 - 5.058
  Salinity (PPS): 35.008 - 35.243
  Oxygen (ml/l): 6.141 - 6.328
  Phosphate (umol/l): 0.333 - 0.380
  Silicate (umol/l): 2.891 - 3.419

Graphical representation

Depth range (m): 0 - 34.1

Temperature range (°C): 11.639 - 11.785

Nitrate (umol/L): 4.573 - 5.058

Salinity (PPS): 35.008 - 35.243

Oxygen (ml/l): 6.141 - 6.328

Phosphate (umol/l): 0.333 - 0.380

Silicate (umol/l): 2.891 - 3.419
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Uncommon. Epilithic generally in the sublittoral to 30m depth.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Rhodymenia holmesii

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Rhodymenia holmesii

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 5
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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