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Rhynchospora nivea Boeckeler. Snowy Whitetop Sedge. Phen: Apr-Oct. Hab: Creek beds and seepages over limestone or other calcareous substrates. Dist: Se. and s. OK south c. TX (especially the Edwards Plateau). Reported for Arkansas County, AR (Kartesz 2022).

ID notes:The bright white inflorescence bracts of the "Whitetop Sedges" (in our region: R. colorata, R. floridensis, R. latifolia, R. nivea) form a very visually distinctive group within Rhynchospora. See Rhynchospora Key B.

Origin/Endemic status: Native

Synonymy: = ETx1, FNA23, GrPl, K3, K4; = Dichromena nivea (Boeckeler) Boeckeler ex Britton – S13, Tx

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Great Plains: FACW

Heliophily: 8

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