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Noun1.Charales - small order of macroscopic fresh and brackish water algae with a distinct axis: stoneworts
protoctist order - the order of protoctists
Charophyceae, class Charophyceae - in some classifications: contains only the order Charales
Characeae, family Characeae - green algae superficially resembling horsetail ferns: stoneworts
References in periodicals archive ?
The Use of Benthic Algae, Excluding Diatoms and Charales, for the Assessment of the Ecological Status of Running Fresh Waters: A Case History from Germany, Oceanological and Hydrobiological Studies 33(2): 3-15.
Fossil representatives of the Charales (though not entirely the equivalent of modern genera such as Chara and Nitella) have great antiquity in the fossil record, as exemplified by finds of "gyrogonites" (fossil oogonia); such structures are known from the early Devonian (cf.