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