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|Noun||1.||family Characeae - green algae superficially resembling horsetail ferns: stoneworts|
protoctist family - any of the families of Protoctista
Charales, order Charales - small order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts
stonewort - any of various submerged aquatic algae of the genus Chara having nodes with whorled filamentlike branches; usually encrusted with calcium carbonate deposits
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