Halymenia a genus of a macroscopic red algae that grows in oceans worldwide.
[1] Species have been found in cold temperate areas but the highest diversity is found in warm temperate and tropical regions.
For example, 41 names have been reported for the Indo-Pacific (Guiry & Guiry, 2011).
Silva et al. (1996) listed 22 names (including two varieties) for the Indian Ocean.
This Rhodophyta-related article is a stub.