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Pterosiphonia parasitica

( NYN:Småfjør BOK:Småfjær)                  3 photos (see below for more photos)


Habit
Photo by: Kjersti Sjøtun
Location: Øygarden, Hordaland
Verified by Bergen Seaweed Group
Sampling date: 2007-08-11
Published: 2008-10-27


The species is relatively uncommon in Norway, but has been recorded as far north as the county of Troms. It can be found growing epiphytically on the kelp Laminaria hyperborea. Thallus consists of prostrate axes bearing erect axes. Erect thalli have distinct main axes with up to 3-4 orders of side branches in an alternating pattern, all branches are in one plane. All axes are without cortex cells and have 7-8 pericentral cells in segments. Specimens may become up to 7 cm long, but normally relatively small individuals are found in Norway.




Side branches
Photo by: Kjersti Sjøtun
Location: Øygarden, Hordaland
Photo is showing (categorized): Branching pattern
Verified by Bergen Seaweed Group
Sampling date: 2007-08-11
Published: 2008-10-27

Alternating pattern of branches, all branches are in one plane




Axes
Photo by: Kjersti Sjøtun
Location: Øygarden, Hordaland
Photo is showing (categorized): Branching pattern, Periaxial cells
Verified by Bergen Seaweed Group
Sampling date: 2007-08-11
Published: 2008-10-27

Ecorticate axes with pericentral cells, branching every 2 segments



 

     

     

     

     

     

     

     

     

     

     

     

     

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