A plant community or vegetation type dominated by sedge plants (Carex species), particularly in wetland habitats.
From Latin 'carex' (sedge) plus the Latin suffix -etum, meaning 'place where something grows,' used in botanical terminology to denote plant communities.
Ecologists use -etum names for plant communities the way we use neighborhood names—a 'caricetum' is basically 'Sedge City,' a whole habitat defined by one dominant plant type!
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