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Rhynchospora glomerata (Linnaeus) Vahl. Clustered Beaksedge. Phen: Jul-Sep. Hab: Pine savannas, bogs, acidic seeps inland, other wet habitats. Dist: S. NJ south to ne. FL, FL Panhandle, and west to e. TX, and inland in KY, TN, AR, and KS.

ID notes: A rather common beaksedge that should be learned by field botanists as a comparison point for other species. It is a coarser plant than R. capitellata, its spikelet clusters larger and tending to arch outward and often causing the stem to lean. Its achenes are much longer (1.5-2.0 mm vs. 1.2-1.5). In the West Gulf Coastal Plain, its distribution overlaps with that of R. angusta; see Rhynchospora key D.

Origin/Endemic status: Endemic

Synonymy : = K4, Sorrie, LeBlond, & Weakley (2018a) in Weakley et al (2018b); = Rhynchospora glomerata (L.) Vahl var. glomerata – K1, Va, McMillan (2007); = Rynchospora glomerata (L.) Vahl var. typica Gale – Gale (1944); < Rhynchospora cymosa Elliott; < Rhynchospora glomerata (L.) Vahl – Ar, C, ETx1, F, FNA23, G, GW1, Il, K3, NcTx, RAB, S, Tat, Tn, Tx, W, WH3, Ciafré & Naczi (2022), Naczi & Moyer (2017); > Rhynchospora glomerata (L.) Vahl var. paniculata (A.Gray) Chapm. – S13; >< Rynchospora glomerata Vahl ex Kunth var. glomerata – S13, orthographic variant

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
  • Great Plains: OBL (taxonomic split from wetland indicator species)
  • Midwest: OBL (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)

Heliophily : 8

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Alex de la Paz | Original Image ⭷
image of plant© Lowell Urbatsch | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Alex de la Paz | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Alex de la Paz | Original Image ⭷
image of plant© Godfrey and Wooten 1979 | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷
image of plant© Alex de la Paz | Original Image ⭷
image of plant© Patrick McMillan | Original Image ⭷
image of plant© Alex de la Paz | Original Image ⭷
image of plant© Patrick McMillan | Original Image ⭷

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