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Fucus serratus

( NO:Sagtang ENG:Serrated Wrack)                  5 photos (see below for more photos)


Habit
Photo by: Kjersti Sj√łtun
Location: Ormhilleren, Sotra, Hordaland
Verified by Bergen Seaweed Group
Sampling date: 2008-03-09
Published: 2008-08-20

The species is common in the lower part of the shore

It can form a zone in the upper part of the sublittoral and lower part of the littoral zone, both at sheltered and semi-exposed coasts. The species is easy to identify due to the serrated edge of thallus, but the degree of serrations and the width of blad can vary. The thallus has a conspicuous mid-rib, is dichotomously branched and may be 30-60 cm long. It is perennial, dioecious (male and female gametes on different individuals) and carries mature receptacles during winter and early spring.




Close-up of receptacles
Photo by: Kjersti Sj√łtun
Location: Sandviken, Bergen
Photo is showing (categorized): Reproductive structure
Verified by Network members
Sampling date: 2009-03-16
Published: 2010-03-08

Branches with serrated edge and carrying receptacles




Habitat
Photo by: Vivian Husa
Location: Skorpo, Hardangerfjorden, Hordaland
Photo is showing (categorized): Thallus
Verified by Network members
Sampling date: 2008-08-26
Published: 2010-03-10





Habit
Photo by: Vivian Husa
Location: Store Karls√ły, Hordaland
Photo is showing (categorized): Thallus
Verified by Network members
Sampling date: 2009-04-17
Published: 2010-03-10


Note groups of hairs as white dots on the thallus.




Specimen with immature receptacles in autumn
Photo by: Vivian Husa
Location: Skorpo, Hardangerfjorden, Hordaland
Photo is showing (categorized): Reproductive structure
Verified by Network members
Sampling date: 2008-08-31
Published: 2010-03-10




 

     

     

     

     

     

     

     

     

     

     

     

     

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