title: Nemalion helminthoides
text: # Nemalion helminthoides
  
  Nemalion helminthoides is a small marine alga in the division Rhodophyta.
  
  ## Description
  
  This is a fairly large erect alga which grows to no more than 0.4 m long. The frond is erect with a solid axis. It is very mucilaginous and with few branches which are elongate growing from a discoid base. The central strand is composed of filaments intricately entangled.
  
  ## Habitat
  
  Midlittoral, epilithic and on BalanusPatella.
  
  ## Reproduction
  
  The life-history is not fully confirmed. However carpospores and tetrasporangia have been recorded.
  
  ## Distribution
  
  Generally distributed around the European coast and the Atlantic coast of North America.
  
  ## Note
  
  The spelling of the specific name is in older references spelt without the first letter "h". However helminthoides is considered more correct.
  
  