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Browse and contribute to the Trefle botanical data.
Penstemon laetus var. sagittatus
Penstemon leiophyllus var. leiophyllus
Penstemon linarioides var. sileri
Penstemon linarioides var. maguirei
Penstemon linarioides var. linarioides
Penstemon moriahensis
Penstemon palmeri var. palmeri
Penstemon palmeri var. eglandulosus
Penstemon palmeri var. macranthus
Penstemon paysoniorum
Penstemon richardsonii var. richardsonii
Penstemon richardsonii var. dentatus
Penstemon scariosus var. albifluvis
Penstemon scariosus var. cyanomontanus
Penstemon scariosus var. garrettii
Penstemon scariosus var. scariosus
Penstemon pachyphyllus var. pachyphyllus
Penstemon patens
Penstemon pachyphyllus var. congestus
Penstemon secundiflorus var. versicolor
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