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Paspalum distichum Linnaeus. Common name: Joint Paspalum, Knotgrass. Phenology: May-Nov. Habitat: Brackish (especially oligohaline) and freshwater marshes, interdune swales and marshes, waterfowl impoundments. Distribution: NJ, KS, and WA south to s. FL, s. TX, s. CA, and through the New World and Old World tropics. Reported for s. IN by Bill Thomas (pers.comm., 2022).

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, ETx1, F, FlGr, FNA25, G, HC, K4, Meso6, Mex, NcTx, Pa, RAB, S, S13, SFla, Tn, Tx, Va, W, WH3, Silveus (1942); = n/a — Tat; = Paspalum paspaloides (Michx.) Scribn.; < Paspalum distichum L. — Bah, GW1; > Paspalum distichum L. var. distichum — Mo1; Paspalum distichum L. Basionym: Paspalum distichum L. 1759

Links to other floras: = Paspalum distichum - FNA25

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Wetland Indicator Status:

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

Heliophily ⓘ: 9

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image of plant© Jay Horn source | Original Image ⭷
image of plantno rights reserved, uploaded by 葉子 source CC0 | Original Image ⭷
image of plant© Ron Frumkin, some rights reserved (CC BY-NC), uploaded by Ron Frumkin source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plantno rights reserved, uploaded by 葉子 source CC0 | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Aidan Campos source | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Jay Horn source | Original Image ⭷
image of plant© Stephen Thorpe, some rights reserved (CC BY), uploaded by Stephen Thorpe source CC-BY | Original Image ⭷
image of plant© Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Stephen Thorpe, some rights reserved (CC BY), uploaded by Stephen Thorpe source CC-BY | Original Image ⭷

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