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Family
Cyperaceae (Magnoliophyta)
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Scientific Name
Scirpus cespitosus var. callosus Bigelow ex Torr.
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Primary Citation
Fl. N. Middle United States 1: 47. 1823 
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Type Specimens
Specimen 1: Type -- J. Bigelow s.n.
Specimen 2: Syntype -- Collector unspecified 252
