Symphyotrichum divaricatum (Nuttall) Nesom. Annual Water Aster, Midwestern Saltmarsh Aster, Yard Aster. Phen: Aug-Jan. Hab: Ponds, swamps, ditches, other wet disturbed areas, including mowed fields, yards, periodically flooded floodplains; eastwards in waste areas near wool-combing mills. Dist: TN, MO, e. NE and n. NM south to GA, AL, MS, LA, TX, and Mexico.

Origin/Endemic status: Native

Taxonomy Comments: See Nesom (2000) for additional information.

Synonymy ⓘ: = Il, K1, K3, K4, Va, Dahal, Siniscalchi, & Folk (2023), Nesom (1994a), Nesom (2005b); = Aster exilis Elliott – F, RAB, S, misapplied; = Aster subulatus Michx. var. ligulatus Shinners – NcTx, SE1, Tx; = Symphyotrichum subulatum (Michx.) G.L.Nesom var. ligulatum (Shinners) S.D.Sundb. – Ar, FNA20, Mo2, Tn, Sundberg (2004); < Aster subulatus Michx. – GW2; ~ Aster subulatus Michx. var. cubensis (DC.) Shinners; < Aster subulatus Michx. var. subulatus – C

Links to other floras: = Symphyotrichum subulatum var. ligulatum - FNA20

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: OBL
• Eastern Mountains and Piedmont: OBL
• Great Plains: OBL
• Midwest: OBL

Heliophily ⓘ: 9