Baptisia australis (Linnaeus) R. Brown. Tall Blue Wild Indigo, Streamside Blue Indigo, Tall Blue Baptisia. Phen: Apr-Jun; Jun-Aug. Hab: Riverbank scour areas, gravel bars, and disturbed areas (where persisting from cultivation). Dist: Native to w. and n. VA, w. MD, WV, w. PA, e. and c. KY, ne. TN, se. IN, and s. OH, probably w. NC (Yancey County), and possibly native to other states, the original range somewhat obscured by its frequent cultivation.

Origin/Endemic status: Endemic

Taxonomy Comments: See Weakley et al. (2018a) for detailed discussion of the taxonomy of the "blue Baptisias".

Synonymy: = F, Il, W, Larisey (1940a), Weakley et al (2018a); = Baptisia australis (L.) R.Br. var. australis – C, G, K1, K3, NE, NY, Va, Mendenhall (1994a), Mendenhall (1994b); < Baptisia australis (L.) R.Br. – Pa, RAB, S, S13, Tn; < Baptisia australis (L.) R.Br. var. australis – FNA11.1, SE3, Isely (1981), Isely (1998), Turner (2006a)

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Wetland Indicator Status:

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

Heliophily: 8