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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 albidus

Penstemon albomarginatus

Penstemon ambiguus

Penstemon angustifolius

Penstemon atwoodii

Penstemon baccharifolius

Penstemon barbatus

Penstemon barbatus subsp. barbatus

Penstemon barbatus subsp. torreyi

Penstemon bracteatus

Penstemon breviculus

Penstemon buckleyi

Penstemon caespitosus

Penstemon caespitosus var. desertipicti

Penstemon caespitosus var. perbrevis

Penstemon calycosus

Penstemon cardinalis subsp. cardinalis

Penstemon carnosus

Penstemon cinicola

Penstemon clutei

Penstemon comarrhenus

Penstemon confusus

Penstemon cyananthus

Penstemon cyananthus var. cyananthus

Penstemon dasyphyllus

Penstemon davidsonii

Penstemon deustus

Penstemon digitalis

Penstemon discolor

Penstemon dolius var. duchesnensis

Penstemon eatonii

Penstemon fendleri

Penstemon flowersii

Penstemon fruticiformis

Penstemon glaber

Penstemon gracilis

Penstemon grahamii

Penstemon grandiflorus

Penstemon grinnellii subsp. scrophularioides

Penstemon haydenii

Penstemon heterodoxus

Penstemon humilis

Penstemon humilis subsp. brevifolius

Penstemon humilis subsp. obtusifolius

Penstemon inflatus

Penstemon jamesii

Penstemon leiophyllus var. leiophyllus

Penstemon lentus var. lentus

Penstemon leonardii

Penstemon linarioides

Penstemon linarioides var. coloradoensis

Penstemon metcalfei

Penstemon neomexicanus

Penstemon newberryi

Penstemon nudiflorus

Penstemon oliganthus

Penstemon ophianthus

Penstemon pachyphyllus var. pachyphyllus

Penstemon pallidus

Penstemon palmeri

Penstemon parryi

Penstemon petiolatus

Penstemon pinifolius

Penstemon pinorum

Penstemon platyphyllus

Penstemon procerus

Penstemon pseudoputus

Penstemon pseudospectabilis

Penstemon pseudospectabilis var. connatifolius

Penstemon ramosus

Penstemon rostriflorus

Penstemon scariosus var. albifluvis

Penstemon sepalulus

Penstemon speciosus

Penstemon spectabilis

Penstemon stenophyllus

Penstemon strictus

Penstemon subulatus

Penstemon superbus

Penstemon tenuiflorus

Penstemon thompsoniae

Penstemon thurberi

Penstemon triflorus

Penstemon utahensis

Penstemon venustus

Penstemon virens

Penstemon virgatus

Penstemon watsonii

Penstemon whippleanus

Penstemonia edwardsii