Antheridium is the male reproductive organ of a Chara sp. It has an orange colour.

Oogonium is the female reproductive organ of a Chara sp. It has an orange colour.

A bed of Chara plants underwater.

The reproductive organs #gametangia of #chara sp. #Stonewort #algae #oogonium #antheridium #floron. Ouderkerkerplas / NL. August 2020
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