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Ahnfelt's seaweed

American  
[ahn-felts] / ˈɑn fɛlts /

noun

  1. a red alga, Ahnfeltia plicata, common along the coasts of North America and Europe, having brownish, bushlike branches.


Etymology

Origin of Ahnfelt's seaweed

After N. Ahnfelt (1801–37), Swedish botanist