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  6. ›Halimeda
watercress alga
Plate 1 of 2. (c) 2006 California Academy of Sciences, some rights reserved (CC BY-NC-SA) · via iNaturalist

watercress alga

Halimeda opuntia

Halimeda opuntia, sometimes known as the watercress alga, is a species of calcareous green seaweed in the order Bryopsidales. It is native to reefs in the Indo-Pacific region, the Atlantic Ocean and the Mediterranean Sea.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Halimeda opuntia in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 322733.