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Cruoria pellita

( NO:Sleipflekk)                  3 photos (see below for more photos)


Habit
Photo by: Kjersti Sj√łtun
Location: Svoldal, Hardangerfjord, Hordaland
Verified by Network members
Sampling date: 2009-06-28
Published: 2010-04-15

A large patch growing on a stone, collected by dredging between 6 and 10 m depth

The species forms dark red and more than 0.5 mm thick mucilaginous patches on the substratum. It is composed of prostrate filaments loosely united by mucilage. The cells of the filaments are long and barrel-shaped in the lowermost part, 12-14 micrometers in diameter, tapering to more parallel-sided cells, 6-11 micrometers in diameter, in the apical part. The species is most common in the sublittoral zone. It has zonately arranged tetraspores. The species can be confused with the ¬ĎPetrocelis¬í-stage of Mastocarpus stellatus (in shallow subtidal) and Haemescharia hennedyi, but none of these have zonate tetrasporangia.




Filaments seen in microsope
Photo by: Kjersti Sj√łtun
Location: Svoldal, Hardangerfjord, Hordaland
Photo is showing (categorized): Cells, Tetrasporangium
Verified by Network members
Sampling date: 2009-06-28
Published: 2010-04-15

Cells of the filaments are relatively large and barrel-shaped in the lowermost part. A tetrasporangium (zonate) is indicated by an arrow




Zonate tetrasporangium
Photo by: Kjersti Sj√łtun
Location: Svoldal, Hardangerfjord, Hordaland
Photo is showing (categorized): Tetrasporangium
Verified by Network members
Sampling date: 2009-06-28
Published: 2010-04-15




 

     

     

     

     

     

     

     

     

     

     

     

     

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