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Cyperus haspan Linnaeus. Sheathed Flatsedge. Phen: Jul-Oct. Hab: Tidal marshes, other marshes, ponded depressions, low fields, ditches, waterfowl impoundments, weed in rice fields. Dist: Pantropical in distribution, north in North America to se. VA (MD?), sc. TN, c. AR, and c. TX.

Origin/Endemic status: Native

Synonymy : = Ar, C, ETx1, FNA23, G, GW1, K1, K3, K4, Mex, NcTx, RAB, S, Tn, Tx, Va, WH3; = n/a – Tat; > Cyperus haspan L. var. americanus Boeckeler – F

Links to other floras: = Cyperus haspan - FNA23

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL

Heliophily : 8

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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