This page provides a complete list of taxa that have images. Use the controls below to browse and search for images by family, genus, or species.

Penstemon abietinus

Penstemon absarokensis

Penstemon acaulis

Penstemon acaulis var. yampaënsis

Penstemon acuminatus

Penstemon albertinus

Penstemon albidus

Penstemon albomarginatus

Penstemon ambiguus

Penstemon ambiguus var. ambiguus

Penstemon anguineus

Penstemon angustifolius

Penstemon angustifolius ssp. angustifolius

Penstemon angustifolius ssp. caudatus

Penstemon angustifolius var. caudatus

Penstemon angustifolius var. vernalensis

Penstemon arenarius

Penstemon arenicola

Penstemon aridus

Penstemon arkansanus

Penstemon attenuatus

Penstemon atwoodii

Penstemon auriberbis

Penstemon australis

Penstemon azureus

Penstemon baccharifolius

Penstemon barbatus

Penstemon barbatus ssp. torreyi

Penstemon barbatus ssp. trichander

Penstemon barbatus var. torreyi

Penstemon barbatus var. trichander

Penstemon barnebyi

Penstemon barrettiae

Penstemon bicolor

Penstemon bracteatus

Penstemon brandegei

Penstemon breviculus

Penstemon breviflorus

Penstemon buckleyi

Penstemon caesius

Penstemon caespitosus

Penstemon caespitosus var. caespitosus

Penstemon caespitosus var. perbrevis

Penstemon californicus

Penstemon calycosus

Penstemon campanulatus

Penstemon canescens

Penstemon cardinalis

Penstemon cardwellii

Penstemon carnosus

Penstemon caryi

Penstemon centranthifolius

Penstemon cinicola

Penstemon clevelandii

Penstemon clutei

Penstemon cobaea

Penstemon comarrhenus

Penstemon concinnus

Penstemon confertus

Penstemon confertus ssp. procerus

Penstemon confusus

Penstemon cordifolius

Penstemon corymbosus

Penstemon crandallii ssp. crandallii

Penstemon crandallii ssp. glabrescens

Penstemon crandallii ssp. procumbens

Penstemon cusickii

Penstemon cyananthus

Penstemon cyaneus

Penstemon cyanocaulis

Penstemon cyathophorus

Penstemon dasyphyllus

Penstemon davidsonii

Penstemon davidsonii var. menziesii

Penstemon deaveri

Penstemon debilis

Penstemon degeneri

Penstemon deustus

Penstemon digitalis

Penstemon diphyllus

Penstemon dissectus

Penstemon dolius

Penstemon duchesnensis

Penstemon eatonii

Penstemon eatonii ssp. undosus

Penstemon ellipticus

Penstemon eriantherus

Penstemon eriantherus var. cleburnei

Penstemon eriantherus var. whitedii

Penstemon euglaucus

Penstemon fendleri

Penstemon flavescens

Penstemon floridus

Penstemon flowersii

Penstemon fremontii

Penstemon fremontii var. fremontii

Penstemon fremontii var. glabrescens

Penstemon fruticiformis

Penstemon fruticosus

Penstemon fruticosus var. scouleri

Penstemon gairdneri

Penstemon gentianoides

Penstemon gibbensii

Penstemon glaber

Penstemon glaber var. alpinus

Penstemon glaber var. brandegeei

Penstemon glaber var. glaber

Penstemon glandulosus

Penstemon globosus

Penstemon goodrichii

Penstemon gormanii

Penstemon gracilentus

Penstemon gracilis

Penstemon grahamii

Penstemon grandiflorus

Penstemon griffinii

Penstemon grinnellii

Penstemon hallii

Penstemon harbourii

Penstemon harringtonii

Penstemon haydenii

Penstemon heterodoxus

Penstemon heterodoxus var. shastensis

Penstemon heterophyllus

Penstemon hirsutus

Penstemon humilis

Penstemon humilis var. humilis

Penstemon immanifestus

Penstemon incertus

Penstemon inflatus

Penstemon jamesii

Penstemon janishiae

Penstemon keckii

Penstemon kingii

Penstemon labrosus

Penstemon laetus

Penstemon laevigatus

Penstemon laevis

Penstemon lanceolatus

Penstemon laricifolius

Penstemon laricifolius ssp. exilifolius

Penstemon laricifolius var. exilifolius

Penstemon lasiostemon

Penstemon laxiflorus

Penstemon laxus

Penstemon leiophyllus

Penstemon leiophyllus var. keckii

Penstemon lemmonii

Penstemon lentus

Penstemon leonardii

Penstemon leonardii var. patricus

Penstemon linarioides

Penstemon linarioides ssp. coloradoensis

Penstemon longiflorus

Penstemon lyallii

Penstemon marcusii

Penstemon mensarum

Penstemon menziesii

Penstemon metcalfei

Penstemon miser

Penstemon moffatii

Penstemon montanus

Penstemon moriahensis

Penstemon mucronatus

Penstemon multiflorus

Penstemon murrayanus

Penstemon nanus

Penstemon neomexicanus

Penstemon neotericus

Penstemon newberryi

Penstemon nitidus

Penstemon nudiflorus

Penstemon oklahomensis

Penstemon oliganthus

Penstemon ophianthus

Penstemon osterhoutii

Penstemon ovatus

Penstemon pachyphyllus

Penstemon pachyphyllus var. congestus

Penstemon pachyphyllus var. mucronatus

Penstemon pallidus

Penstemon palmeri

Penstemon palmeri var. palmeri

Penstemon parryi

Penstemon parvulus

Penstemon patens

Penstemon patricus

Penstemon payettensis

Penstemon paysoniorum

Penstemon peckii

Penstemon penlandii

Penstemon pennellianus

Penstemon perpulcher

Penstemon petiolatus

Penstemon pinifolius

Penstemon pinorum

Penstemon platyphyllus

Penstemon pratensis

Penstemon procerus

Penstemon procerus var. modestus

Penstemon procerus var. procerus

Penstemon pruinosus

Penstemon pseudospectabilis

Penstemon pudicus

Penstemon pumilus

Penstemon putus

Penstemon radicosus

Penstemon rattanii

Penstemon retrorsus

Penstemon rhizomatosus

Penstemon richardsonii

Penstemon roezlii

Penstemon rostriflorus

Penstemon rothrockii

Penstemon rubicundus

Penstemon rupicola

Penstemon rydbergii

Penstemon rydbergii var. oreocharis

Penstemon rydbergii var. rydbergii

Penstemon saxosorum

Penstemon scapoides

Penstemon scariosus

Penstemon scariosus var. albifluvis

Penstemon scariosus var. cyanomontanus

Penstemon scariosus var. garrettii

Penstemon scouleri

Penstemon secundiflorus

Penstemon secundiflorus ssp. lavendulus

Penstemon seorsus

Penstemon sepalulus

Penstemon serrulatus

Penstemon shastensis

Penstemon smallii

Penstemon speciosus

Penstemon spectabilis

Penstemon stenophyllus

Penstemon strictiformis

Penstemon strictus

Penstemon subglaber

Penstemon subulatus

Penstemon superbus

Penstemon tenuiflorus

Penstemon tenuis

Penstemon ternatus

Penstemon teucrioides

Penstemon thompsoniae

Penstemon tidestromii

Penstemon triflorus

Penstemon triphyllus

Penstemon uintahensis

Penstemon utahensis

Penstemon venustus

Penstemon versicolor

Penstemon virens

Penstemon virgatus

Penstemon virgatus ssp. asa-grayi

Penstemon virgatus var. asa-grayi

Penstemon wardii

Penstemon washingtonensis

Penstemon watsonii

Penstemon whippleanus

Penstemon wilcoxii

Penstemon wrightii

Penstemon yampaensis