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Penstemon eriantherus Pursh
Penstemon albertinus Greene
Penstemon nitidus Douglas ex Bentham
Penstemon fruticosus var. scouleri (Lindley) Cronquist
Penstemon ellipticus J.M. Coulter & Fisher
Penstemon albidus Nuttall
Penstemon gracilis Nuttall
Penstemon confertus Douglas
Penstemon procerus Douglas
Dog Pound, 1880-1920