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Ahnfeltia plicata

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


Habit
Photo by: Vivian Husa
Location: Raunefjorden, Hordaland
Photo is showing (categorized): Thallus
Verified by Network members
Sampling date: 2009-09-18
Published: 2010-04-07

The thallus (5-15 cm tall) of the gametophyte is stiff and wiry, with a dark red to black color. It branches irregularly, sometimes dichotomous, and has blunt apices. The tetrasporangial phase is crustose. The species thrives mainly in protected sites from low littoral to the subtidal zone. It is tolerant to sand-burial and is often found as wiry and entangled turfs. The species may grow attached to the substrate in the littoral zone or in tide pools, but can also be found as loose-lying on deeper waters.




Branches
Photo by: Vivian Husa
Location: Raunefjorden, Hordaland
Photo is showing (categorized): Branching pattern
Verified by Network members
Sampling date: 2009-09-18
Published: 2010-04-07


The specimen is somewhat bleached due to formalin-fixation.




Cross- section
Photo by: Vivian Husa
Location: Raunefjorden, Hordaland
Photo is showing (categorized): Cross section
Verified by Network members
Sampling date: 2009-09-18
Published: 2010-04-07


Cross-section showing radially elongated cortical cells and rounded medullary cells.



 

     

     

     

     

     

     

     

     

     

     

     

     

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