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Spartina alterniflora Loiseleur-Deslongchamps. Saltmarsh Cordgrass, Smooth Cordgrass. Phen: Aug-Dec. Hab: Salt marshes. S. alterniflora is the dominant plant (often essentially a monoculture) of intratidal salt marshes in our area. Dist: NL (Newfoundland) south to FL, west to TX and ne. Mexico; e. South America; introduced in n. Europe.

Origin/Endemic status: Native

Synonymy: = C, FNA25, GW1, K1, K3, Mex, NE, RAB, SFla, Tat, Tx, Va, WH3; = Spartina glabra Muhl.; = Spartina stricta (Aiton) Roth – S13; = Sporobolus alterniflorus (Loisel.) P.M.Peterson & Saarela – FlGr, K4, NY, Peterson et al (2014a); > Spartina alterniflora Loisel. var. alterniflora – F, G, HC, S; > Spartina alterniflora Loisel. var. glabra (Muhl. ex Bigelow) Fernald – F, G, HC, S; > Spartina alterniflora Loisel. var. pilosa (Merr.) Fernald – F, G, HC

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Great Plains: OBL
  • Northcentral & Northeast: OBL

Heliophily ?: 9

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image of plant© Keith Bradley | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Keith Bradley | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Radford, Ahles and Bell | Original Image ⭷

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