Gratiola species 1 . Ouachita Hedge-hyssop. Hab: River-scour outcrops and prairies. Dist: Endemic to the Ouachita Mountains of sw. AR and se. OK.
Origin/Endemic status: Endemic
Taxonomy Comments: Under study by D. Estes and T. Murphy (pers. comm. 2019).
Synonymy: < Gratiola brevifolia Raf. – Ar, FNA17, GW2, K1, K3, K4, S, Pennell (1935)
Wetland Indicator Status:
Heliophily: 8
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