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253 beardtongues species
Penstemon distans
Penstemon dolius
Penstemon floribundus
Penstemon gibbensii
Penstemon grahamii
Penstemon griffinii
Penstemon hallii
Penstemon osterhoutii
Penstemon pinorum
Penstemon platyphyllus
Penstemon pudicus
Penstemon putus
Penstemon retrorsus
Penstemon rhizomatosus
Penstemon rubicundus
Penstemon saxosorum
Penstemon scariosus
Penstemon smallii
Penstemon stenophyllus
Penstemon superbus
Penstemon teucrioides
Penstemon tiehmii
Penstemon uintahensis
Penstemon versicolor
Penstemon wardii
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