Distribution

The genus is found in the Atlantic, Pacific, and Indian Oceans, with the Atlantic having the most species. In terms of countries, China has the most number of species although none are endemic. Other countries with many endemic species of Hypnea include South Africa, Australia, Japan, Indonesia, Mauritius, the Philippines, India, and Brazil. Hypnea musciformis has the widest geographical distribution.

Ecology

Hypnea is commonly present in various habitats, from intertidal and subtidal zones, as well

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