gametangium
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The colors of the fungus are magnificent when it pervades the species. Royalty Free Stock Photo
   
   
   
   
   
   
Chara virgata stonewort alga with gametangia
   
   
   
   
   
   
   
Chara virgata, delicate stonewort alga with gametangia submerged in a clear-watered lake.

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