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Taxon author: Steemann Nielsen

ITIS records citing taxon author "Steemann Nielsen"
 Kingdom Chromista
  Bacteriastrum tenue Steemann Nielsen -- accepted
  Ceratium petersii Steemann Nielsen, 1934 -- accepted
  Ceratium vultur var. sumatranum (Karsten) Steemann Nielsen, 1934 -- accepted
  Chaetoceros malayensis Steemann Nielsen -- accepted
  Chaetoceros pseudosymmetricus Steemann Nielsen -- accepted
  Fragilaria nana Steemann Nielsen -- not accepted
  Fragilariopsis nana (Steemann Nielsen) Paasche -- not accepted

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