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Rhynchospora obliterata Gale. Texas Beaksedge. Phen: Apr-Jul. Hab: Pond shores with fluctuating water levels, wet grasslands. Dist: E. TX and e. AR. Not seen since 1884. The known collections (from Gale 1944) are: Arkansas, borders of ponds, east Arkansas (vicinity of Grand Prairie), July 1884, Harvey 12 (GH); Texas, Harris Co., Cypress City, Aug 1877, Boll 793 (MO); Texas, Waller Co., ponds, Hempstead, 16 Apr 1872, Hall 709 (holotype GH; isotypes MO, NY, US); Texas, Calhoun Co., prairie near Indianola, 30 May 1869, Ravenel 144 (NY, mixed with R. recognita).

Origin/Endemic status: Endemic

Taxonomy Comments: Needing additional taxonomic evaluation.

Synonymy: = Gale (1944), McMillan (2007); = n/a – S13; = Rhynchospora globularis (Chapm.) Small var. obliterata (Gale) Kük.; < Rhynchospora globularis (Chapm.) Small var. globularis – FNA23; < Rhynchospora recognita (Gale) Kral – K3, K4; < Rynchospora globularis – S

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (name change)
  • Great Plains: FACW (name change)
  • Midwest: FACW (name change)
  • Northcentral & Northeast: FACW (name change)

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image of plant© Patrick McMillan | Original Image ⭷


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