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Didymosphenia geminata

LHPrism Status 
Tier 1 - Threat
Habitat 
Lake or Pond
Key Characteristics 
Color
Tan to dark brown with white "tails"
Appearance
Forms dense mats at the bottom of cool ponds or streams
Impacts of this species 

Smothers plants and blocks nutrients from being produced.

LHPRISM Notes 

Didymo is a freshwater diatom that attaches to stones and plants. Although it may look slimy, it feels like a wet cotton wool. Only a single cell needs to be transported for the algae to spread.

 

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