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Penstemon pennellianus

Penstemon parishii

Penstemon pratensis

Penstemon pachyphyllus

Thick-leaf penstemon

Penstemon pudicus

Penstemon platyphyllus

Broadleaf penstemon

Penstemon pruinosus

Chelan beardtongue

Penstemon peckii

Gurania calathina

Penstemon parvulus

Penstemon retrorsus

Penstemon rubicundus

Penstemon seorsus

Penstemon spatulatus

Gurania tricuspidata var. angustiloba

Penstemon saxosorum

Penstemon rattanii

Rattan's beardtongue

Penstemon smallii

Small's beardtongue

Penstemon radicosus

Penstemon strictus

Rocky mountain penstemon