Meaning of Ahnfelt's seaweed

Ahn'felt's sea'weed

Pronunciation: (än'felts), [key]
  1. a red alga, Ahnfeltia plicata, common along the coasts of North America and Europe, having brownish, bushlike branches.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.