sunfacing coneflower (Rudbeckia heliopsidis Torr. & A. Gray)
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↑Links & External Resources
• Rudbeckia heliopsidis (sunfacing coneflower) | USDA PLANTS Database (About This Site)
• Rudbeckia heliopsidis | Biota of North America Project (BONAP) (About This Site)
• Rudbeckia heliopsidis | NatureServe Explorer (About This Site)
• Rudbeckia heliopsidis | Flora of North America (About This Site)