Sand Penstemon: Penstemon acuminatus var. acuminatus -

Sand Penstemon: Penstemon acuminatus var. latebracteatus -

Sulphur Penstemon, Taper-leaved Penstemon: Penstemon attenuatus var. attenuatus (Synonym: Penstemon attenuatus ssp. attenuatus) -

Small-flowered Sulphur Beardtongue, Sulphur Beardtongue, Taper-leaved Penstemon: Penstemon attenuatus var. palustris (Synonym: Penstemon attenuatus ssp. palustris) -

Barrett's Penstemon, Barrett's Beardtongue: Penstemon barrettiae - A species primarily of a limited area of the eastern Columbia River Gorge, the species can also be found in the Klickitat River canyon.

Ash Penstemon Penstemon cinicola -

Yellow Penstemon: Penstemon confertus -

Cusick's Penstemon: Penstemon cusickii -

Davidson's Beardtongue, Davidson's Creeping Penstemon, Davidson's Penstemon: Penstemon davidsonii var. davidsonii (Synonyms: Penstemon menziesii ssp. davidsonii, Penstemon menziesii ssp. thompsonii) -

Davidson's Late Penstemon, Timberline Beardtongue: Penstemon davidsonii var. praeteritus -

Scorched Penstemon: Penstemon deustus (varieties deustus, pedicellatus and variabilis) -

Hotrock Beardtongue, Hot-rock Penstemon, Scabland Penstemon: Penstemon deustus var. deustus (Synonym: Penstemon deustus ssp. deustus) -

Lanceleaf Hotrock Beartongue, Scabland Penstemon: Penstemon deustus var. pedicellatus (Synonyms: Penstemon deustus ssp. heterander, Penstemon deustus var. heterander) -

Hot-rock Penstemon, Scabland Penstemon, Variable Hotrock Penstemon: Penstemon deustus var. variabilis (Synonyms: Penstemon deustus ssp. variabilis, Penstemon variabilis) -

Lonely Penstemon, Elegant Penstemon: Penstemon elegantulus -

Rocky Ledge Penstemon, Rockvine Beardtongue: Penstemon ellipticus -

Crested Beardtongue, Fuzzytongue Penstemon, John Day Fuzzytongue Penstemon: Penstemon eriantherus var. argilosis (Synonym: Penstemon whitedii ssp. dayanus) -

Crested Penstemon, Fuzzytongue Penstemon: Penstemon eriantherus (varieties eriantherus and redactus) -

Crested Penstemon, Fuzzytongue Penstemon, Whited's Penstemon: Penstemon eriantherus var. whitedii (Synonym: Penstemon whitedii) -

Shrubby Penstemon: Penstemon fruticosus var. fruticosus -

Shrubby Penstemon, Bush Penstemon: Penstemon fruticosus var. scouleri (Synonym: Penstemon fruticosus ssp. scouleri) -

Shrubby Penstemon: Penstemon fruticosus var. serratus: -

Gairdner's Penstemon: Penstemon gairdneri (varieties gairdneri and oreganus): -

Sticky-stem Penstemon: Penstemon glandulosus var. chelanensis

Glandular Penstemon, Stickystem Penstemon, Sticky-stem Penstemon: Penstemon glandulosus var. glandulosus -

Blue-leaved Penstemon: Penstemon glaucinus - ?? Help me verify if this is this pretty penstemon.

Globe Penstemon: Penstemon globosus -

Very Slender Penstemon: Penstemon gracilentus -

Lowly Penstemon: Penstemon humilus var. humilus -

Janish's Penstemon: Penstemon janishiae -

King's Penstemon: Penstemon kingii -

Cheerful Penstemon, Gay Penstemon: Penstemon laetus var. sagittatus -

Lyall's Penstemon: Penstemon lyallii -

Malheur Penstemon: Penstemon miser -

Palmer's Penstemon, Scented Beardtongue: Penstemon palmeri var. palmeri -

Payette Penstemon: Penstemon payettensis -

Peck's Penstemon: Penstemon peckii -

Blue Mountain Penstemon, Pennell's Penstemon: Penstemon pennellianus -

Beautiful Penstemon: Penstemon perpulcher -

Meadow Penstemon: Penstemon pratensis -

Pincushion Beartongue, Small-flowered Penstemon, Tolmie's Penstemon: Penstemon procerus var. brachyanthus (formerly Penstemon tolmiei ssp. brachyanthus) -

Small Penstemon: Penstemon procerus var. procerus -

Small-flowered Penstemon: Penstemon procerus var. formosus -

Chelan Penstemon, Chelan Beardtongue, Chilean Beardtongue: Penstemon pruinosus -

Cutleaf Beardtongue: Penstemon richardsonii var. curtiflorus -

Cutleaf Penstemon, Cutleaf Beardtongue, Richardson's Penstemon: Penstemon richardsonii var. richardsonii -

Cut-leaf Penstemon: Penstemon richardsonii var. dentatus -

Roezl's Penstemon: Penstemon roezlii -

Rock Penstemon, Cliff Penstemon, Cliff Beardtongue: Penstmon rupicola - Possibly seen high on cliffs in the upper Klickitat River Canyon ?

Rydberg's Penstemon: Penstemon rydbergii (varieties oreocharis and rydbergii) -

Short-lobed Penstemon: Penstemon seorsus -

Cascade Penstemon, Cascade Beardtongue, Serrulate Penstemon, Coast Penstemon: Penstemon serrulatus -

Wallowa Mountain Penstemon: Penstemon spatulatus -

Showy Penstemon, Royal Penstemon: Penstemon speciosus -

Fine-toothed Penstemon: Penstemon subserratus - This is a species primarily found on both sides of the Cascade Mts, but a few individuals can be found eastward to the foothills.

Riggin's Penstemon, Whorled Penstemon, Whorled Beardtongue: Penstemon triphyllus -

Lovely Penstemon, Elegant Beardtongue, Venus Penstemon, Blue Mountain Penstemon: Penstemon venustus -

Washington Penstemon: Penstemon washingtonensis -

Wilcox's Penstemon: Penstemon wilcoxii -