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Oenothera hartwegii Bentham ssp. maccartii (Shinners) W.L. Wagner & Hoch. MacCart's Sundrops. Phen: Mar-Sep. Hab: Grasslands over limestone. Dist: C. and s. TX south to ne. Mexico (COA, NLE, TAM).

Origin/Endemic status: Native

Synonymy ⓘ: = FNA10, K4; = Calylophus hartwegii (Benth.) P.H.Raven ssp. maccartii (Shinners) Towner & Raven – Tx; < Calylophus hartwegii (Benth.) P.H.Raven – Mex; < Galpinsia hartwegii (Benth.) Britton – S13

Links to other floras: = Oenothera hartwegii ssp. maccartii - FNA10

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Heliophily ⓘ: 9

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