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