Black-eyed Susan
Rudbeckia hirta var. pulcherrimaAsteraceae — Aster family
Native
White Clay Creek State Park -- Judge Morris Estate
June 2001
White Clay Creek State Park -- Judge Morris Estate
July 2014
I suspect some wildflower seed was used along the Whitely Farms Trail, where I found the plants with brown markings on the petals.
White Clay Creek State Park -- Possum HillOctober 2017
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Photos copyright David G. Smith
Information from the Delaware Flora Checklist used with author's permission.