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watercress alga
Halimeda opuntia
Halimeda opuntia
watercress alga green macroalgae
Halimeda opuntia Halimedaceae
--more--
common names
  watercress alga
  prickly pear halimeda
accepted scientific name
  Halimeda opuntia (Linnaeus) Lamouroux
rules for finding collection records
  Halimeda opuntia (159)
family name
  Halimedaceae
Image Author: ©2010 Moorea Biocode
Image License: CC BY-NC-SA
Image Source
Category: Seaweed
Seaweed Category: Green Algae
Plant Observed All Year
Found in warm seas worldwide.

How Likely at this Location (28%)
Name Match (100%)
Plant Showiness (27%)
Links to Plant Descriptions
Keoki & Yuko Stender
Links to Plant Photos
iNaturalist (22)
Wikimedia Commons (8)
Cal Photos (5)
SEINet (1)
where plant found
mag select
grid lines base