Cary's Beardtongue (Penstemon caryi Pennell)
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↑Links & External Resources
• Penstemon caryi (Cary's beardtongue) | USDA PLANTS Database (About This Site)
• Cary's Beardtongue | iNaturalist (About This Site)
• Penstemon caryi | Biota of North America Project (BONAP) (About This Site)
• Penstemon caryi Pennell | Plants of the World Online (POWO) (About This Site)
• Penstemon caryi | NatureServe Explorer (About This Site)
• Penstemon caryi | Flora of North America (About This Site)