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Soft Sour Weed - Desmarestia viridis Main branches are soft and opposite each other on a main axis. Grows to 60 cm.<br />
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Habitat: Washed up on beach during low tide Desmarestia,Desmarestia viridis,Geotagged,Spring,Stringy Acid Kelp,United States,algae,brown algae,brown seaweed,seaweed,sour weed Click/tap to enlarge

Soft Sour Weed - Desmarestia viridis

Main branches are soft and opposite each other on a main axis. Grows to 60 cm.

Habitat: Washed up on beach during low tide

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"Desmarestia viridis" is a species of brown algae found worldwide. The light brown thallus is delicate with a disc-shaped holdfast. It releases sulfuric acid when damaged, destroying itself and nearby seaweeds in the process. They are found in shallow intertidal areas.

Similar species: Desmarestiales
Species identified by Christine Young
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By Christine Young

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Uploaded Jun 26, 2019. Captured Jun 18, 2019 07:41 in 1563 Post Rd, Wells, ME 04090, USA.
  • Canon EOS 80D
  • f/11.0
  • 1/256s
  • ISO400
  • 100mm