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253 beardtongues species
Penstemon pratensis
Penstemon idahoensis
Penstemon cusickii
Penstemon spatulatus
Penstemon leonardii
Penstemon lemhiensis
Penstemon caespitosus
Penstemon salmonensis
Penstemon seorsus
Penstemon pachyphyllus
Penstemon elegantulus
Penstemon paysoniorum
Penstemon alluviorum
Penstemon newberryi
Penstemon absarokensis
Penstemon barbatus
Penstemon janishiae
Penstemon sudans
Penstemon heterophyllus
Penstemon acaulis
Penstemon secundiflorus
Penstemon watsonii
Penstemon perpulcher
Penstemon canescens
Penstemon yampaensis
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