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Cyperus species 1 . Diminutive Flatsedge. Phen: Jul-Oct. Hab: Infrequent to locally abundant (following soil disturbance) on Florida scrub, stabilized dunes, and sandridges, generally on open white sands, near the coast but also inland on riverine (and aeolian?) dunes. Dist: Se. VA south to s. FL, west to s. MS.

Origin/Endemic status: Endemic

Taxonomy Comments: Previously, this plant has been variously included within the concepts of C. retrorsus, C. retrorsus var. nashii, or C. nashii. Under study by Richard Carter.

Synonymy: = Cyperus diminutus R.Carter; < Cyperus nashii Small – S; < Cyperus retrorsus Chapm. – C, FNA23, G, RAB, Va, WH3; < Cyperus retrorsus Chapm. var. nashii (Britton) Fernald – F

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACU (taxonomic split from wetland indicator species)
  • Great Plains: FAC (taxonomic split from wetland indicator species)
  • Midwest: FAC (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ?: 9

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