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Andropogon ternarius Michaux. Splitbeard Bluestem. Phen: Sep-Oct. Hab: Longleaf pine sandhills, dry to moist soils of woodlands and openings. Dist: DE and s. NJ west to KY and s. MO, south to FL and TX.

Origin/Endemic status: Native

Taxonomy Comments: Andropogon cabinisii Hackel, sometimes treated as A. ternarius var. cabanisii (Hackel) Fernald & Griscom, is endemic in s. and c. peninsular FL.

Synonymy: = HC, K4, S, Tat, Tx; = Anatherum ternarium (Michx.) Voronts. & E.A.Kellogg – Vorontsova et al (2023); = Andropogon ternarius Michx. var. ternarius – Ar, FlGr, FNA25, K1, Mo1, Va, Campbell (1983); > Andropogon argyraeus Schult. – S13; > Andropogon scribnerianus Nash – S13; < Andropogon ternarius Michx. – C, ETx1, G, Il, K3, NcTx, RAB, Tn, W, WH3; > Andropogon ternarius Michx. var. glaucescens (Scribn.) Fernald & Griscom – F; > Andropogon ternarius Michx. var. ternarius – F

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Wetland Indicator Status:

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

Heliophily ?: 9

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

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