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Choose one of the letters above to browse the genera beginning with that letter. Penstemon calycosus: Smooth Beard Tongue Penstemon digitalis: Foxglove Beard Tongue Penstemon grandiflorus: Large-flowered Beard Tongue Penstemon hirsutus: Hairy Beard Tongue Penstemon pallidus: Pale Beard Tongue Penstemon pubescens Penstemon tubiflorus |
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