Host Plants
confirmed
LikelyDudley's Lousewort
Pedicularis dudleyi
Elephant Heads
Pedicularis groenlandica
Howell's Lousewort
Pedicularis howellii
Leafy Lousewort
Pedicularis racemosa
Bearded Lousewort
Pedicularis semibarbata
White-margined Beardtongue
Penstemon albomarginatus
Siskiyou Beardtongue
Penstemon anguineus
Azure Penstemon
Penstemon azureus
Azure Penstemon
Penstemon azureus var. angustissimus
Azure Penstemon
Penstemon azureus var. azureus
Pinto Beardtongue
Penstemon bicolor
San Bernardino Beardtongue
Penstemon caesius
Limestone Beardtongue
Penstemon calcareus
California Beardtongue
Penstemon californicus
Scarlet Bugler
Penstemon centranthifolius
Gray Beardtongue
Penstemon cinereus
Ash Penstemon
Penstemon cinicola
Cleveland's Beardtongue
Penstemon clevelandii
Cleveland's Beardtongue
Penstemon clevelandii var. clevelandii
San Jacinto Beardtongue
Penstemon clevelandii var. connatus
Cleveland's Beardtongue
Penstemon clevelandii var. mohavensis
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
Eaton's Penstemon
Penstemon eatonii var. undosus
Thread-leaved Beardtongue
Penstemon filiformis
Panamint Beardtongue
Penstemon floridus
Austin's Beardtongue
Penstemon floridus var. austinii
Rose Penstemon
Penstemon floridus var. floridus
Desert Beardtongue
Penstemon fruticiformis
Amargosa Beardtongue
Penstemon fruticiformis var. amargosae
Desert Beardtongue
Penstemon fruticiformis var. fruticiformis
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
Low Beardtongue
Penstemon humilis
Low Beardtongue
Penstemon humilis var. humilis
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. leptosepalus
Mountain Blue Penstemon
Penstemon laetus var. sagittatus
Mono Penstemon
Penstemon monoensis
Derived Penstemon
Penstemon neotericus