Noun order zygnematales has 1 sense
  1. Zygnematales, order Zygnematales, Zygnemales, order Zygnemales - pond scums; desmids
    --1 is a kind of animal order
    --1 is a member of Chlorophyceae, class Chlorophyceae
    --1 has members: Zygnemataceae, family Zygnemataceae
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