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Monostroma grevillei

( NYN:Vanleg grønhinne BOK:Vanlig grønnhinne)                  2 photos (see below for more photos)


Habit
Photo by: Kjersti Sjøtun
Location: Espegrend, Raunefjorden
Verified by Bergen Seaweed Group
Sampling date: 2008-04-05
Published: 2008-12-01


The species is common in the intertidal and shallow subtidal along the coast of Norway during spring. Thallus is normally up to 5 cm long. The blades are monostromatic (one cell layer), and irregularly torn. Each individual starts to grow as a closed monostromatic sac, which tears open. The blade-like thallus represents the gametophytic generation, while the single-celled sporophyte (Codiolum stage) is found in calcareous substrate, like shells.




Habit of small specimen
Photo by: Kjersti Sjøtun
Location: Espegrend, Raunefjorden
Verified by Bergen Seaweed Group
Sampling date: 2008-04-05
Published: 2008-12-01

Small specimen, showing the initial sac-like structure starting to tear open



 

     

     

     

     

     

     

     

     

     

     

     

     

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