Penstemon whippleanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon eatonii, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon rupicola, flower. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon alpinus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon palmeri, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, flower - close-up. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon sp., inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon albidus, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, flower close-up. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon eatonii, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon whippleanus, whole plant. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon rupicola, flower. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon alpinus, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon palmeri, flowers. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, flower - close-up. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon sp., inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon albidus, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, flower close-up. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon murrayanus, inflorescence. Family Scrophulariaceae, Subclass Asteridae. Origin: Native
Penstemon eatonii, flowers (close up). Family Scrophulariaceae, Subclass Asteridae. Origin: Native