Symphyotrichum oolentangiense (Riddell) Nesom var. poaceum (Burgess) Nesom. Phen: Oct-Nov (also Mar-Apr). Hab: Calcareous prairies and barrens, longleaf pine woodlands, other open (and especially sandy) woodlands. Dist: MO, AR, south to se. TX.
Origin/Endemic status: Native
Taxonomy Comments: Poorly known; populations disjunct over Oligocene limestone in MS and AL appear to represent this entity.
Synonymy: = Aster azureus Lindl. var. poaceus (Burgess) Fernald – F; = Aster vernalis E.S.Burgess – Tx; < Aster oolentangiensis – C; < Symphyotrichum oolentangiense (Riddell) G.L.Nesom – FNA20, K3, K4, Mi
Heliophily: 9
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