Andropogon hallii Hackel. Sand Bluestem. Phen: Aug-Nov. Hab: Sandy soils. Dist: ND and MT south to TX, NM, AZ, and Mexico; with eastward outliers likely representing introductions (as in IN, IL, MN, MO, and AR). The status of the species in MO is discussed by Braun (2019).

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, C, F, FNA25, Il, K3, K4, Tx; = Andropogon gerardii Vitman ssp. hallii (Hack.) Wipff – ETx1, NcTx; > Andropogon geminatus Hack. – S13; < Andropogon gerardii Vitman – Mex

Links to other floras: = Andropogon hallii - FNA25

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Wetland Indicator Status:

• Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
• Great Plains: FACU (taxonomic split from wetland indicator species)
• Midwest: FAC (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily ⓘ: 9