Penstemon

Penstemon richardsonii

Richardson's penstemon

Penstemon rostriflorus

Bridges's penstemon

Penstemon rupicola

Cliff beardtongue

Penstemon secundiflorus

Sidebells penstemon

Penstemon spectabilis

Showy penstemon

Penstemon subglaber

Smooth penstemon

Penstemon superbus

Penstemon uintahensis

Uinta mountain beardtongue

Penstemon ophianthus

Penstemon pumilus

Penstemon flavescens

Penstemon crandallii

Penstemon triphyllus

Penstemon atropurpureus

Penstemon azureus var. angustissimus

Penstemon azureus subsp. angustissimus

Penstemon azureus subsp. azureus

Penstemon barbatus subsp. barbatus

Penstemon barbatus subsp. torreyi

Penstemon acuminatus

Sharpleaf penstemon