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Browse and contribute to the Trefle botanical data.
Penstemon leiophyllus var. keckii
Penstemon heterophyllus var. australis
Penstemon leiophyllus var. francisci-pennellii
Penstemon heterophyllus var. heterophyllus
Penstemon montanus var. idahoensis
Penstemon grinnellii
Grinnell's beardtongue
Penstemon laetus var. leptosepalus
Senna aphylla var. pendula
Penstemon laetus var. laetus
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
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