Penstemonia clarkei Host Plants

Gaping Keckiella

Keckiella breviflora

Azure Penstemon

Penstemon azureus

Azure Penstemon

Penstemon azureus var. angustissimus

Azure Penstemon

Penstemon azureus var. azureus

San Bernardino Beardtongue

Penstemon caesius

Scarlet Bugler

Penstemon centranthifolius

Ash Penstemon

Penstemon cinicola

Davidson's Penstemon

Penstemon davidsonii

Davidson's Penstemon

Penstemon davidsonii var. davidsonii

Scabland Penstemon

Penstemon deustus

Scabland Penstemon

Penstemon deustus var. deustus

Hot Rock Beardtongue

Penstemon deustus var. pedicellatus

Scabland Penstemon

Penstemon deustus var. suffrutescens

Firecracker Penstemon

Penstemon eatonii

Eaton's Penstemon

Penstemon eatonii var. eatonii

Panamint Beardtongue

Penstemon floridus

Rose Penstemon

Penstemon floridus var. floridus

Slender Penstemon

Penstemon gracilentus

Grinnell's Beardtongue

Penstemon grinnellii

Grinnell's Beardtongue

Penstemon grinnellii var. grinnellii

Grinnell's Beardtongue

Penstemon grinnellii var. scrophularioides

Sierra Beardtongue

Penstemon heterodoxus

Sierra Beardtongue

Penstemon heterodoxus var. cephalophorus

Sierra Beardtongue

Penstemon heterodoxus var. heterodoxus

Shasta Beardtongue

Penstemon heterodoxus var. shastensis

Foothill Penstemon

Penstemon heterophyllus

Southern Foothill Penstemon

Penstemon heterophyllus var. australis

Foothill Penstemon

Penstemon heterophyllus var. heterophyllus

Purdy's Foothill Penstemon

Penstemon heterophyllus var. purdyi

Western Desert Penstemon

Penstemon incertus

Antelope Valley Beardtongue

Penstemon janishiae

San Gabriel Beardtongue

Penstemon labrosus

Mountain Blue Penstemon

Penstemon laetus

Mountain Blue Penstemon

Penstemon laetus var. laetus

Mountain Blue Penstemon

Penstemon laetus var. sagittatus

Mountain Pride

Penstemon newberryi

Berry's Mountain Pride

Penstemon newberryi var. berryi

Newberry's Penstemon

Penstemon newberryi var. newberryi

Inyo Beardtongue

Penstemon papillatus

Lone Pine Beardtongue

Penstemon patens

Small Flowered Penstemon

Penstemon procerus

Western Small Flowered Penstemon

Penstemon procerus var. formosus

Rattan's Beardtongue

Penstemon rattanii

Santa Cruz Mountains Beardtongue

Penstemon rattanii var. kleei

Roezl's Penstemon

Penstemon roezlii

Beaked Penstemon

Penstemon rostriflorus

Rock Beardtongue

Penstemon rupicola

Rydberg's Penstemon

Penstemon rydbergii

Mountain Meadow Beardtongue

Penstemon rydbergii var. oreocharis

Royal Penstemon

Penstemon speciosus

Susanville Beardtongue

Penstemon sudans