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lilac penstemon
64%
Penstemon gracilis
glaucous beardtongue
53%
Penstemon euglaucus
globe penstemon
50%
Penstemon globosus
western smooth beardtongue
49%
Penstemon glaber
stickystem penstemon
47%
Penstemon glandulosus
Gairdner's beardtongue
46%
Penstemon gairdneri
White River beardtongue
46%
Penstemon scariosus
Griffin's beardtongue
46%
Penstemon griffinii
Gorman's beardtongue
44%
Penstemon gormanii
Alberta beardtongue
41%
Penstemon albertinus
Grinnell's beardtongue
41%
Penstemon grinnellii
woodland beardtongue
40%
Nothochelone nemorosa
fuzzy-tongue penstemon
40%
Penstemon eriantherus
Harbour's beardtongue
40%
Penstemon harbourii
Leonard's penstemon
40%
Penstemon leonardii
mountain pride
40%
Penstemon newberryi
western white-flower penstemon
40%
Penstemon pratensis
pinyon beardtongue
40%
Penstemon scapoides
littlecup beardtongue
40%
Penstemon sepalulus
royal penstemon
40%
Penstemon speciosus
smooth penstemon
40%
Penstemon subglaber
hackberry beardtongue
40%
Penstemon subulatus
Utah penstemon
40%
Penstemon utahensis
Siskiyou beardtongue
40%
Penstemon anguineus
sand penstemon
40%
Penstemon arenicola
Eustis Lake beardtongue
40%
Penstemon australis
longsepal beardtongue
40%
Penstemon calycosus
eastern gray beardtongue
40%
Penstemon canescens
yellow penstemon
40%
Penstemon confertus
Davidson's penstemon
40%
Penstemon davidsonii
foxglove beard-tongue
40%
Penstemon digitalis
twoleaf beardtongue
40%
Penstemon diphyllus
Fremont's beardtongue
40%
Penstemon fremontii
large beardtongue
40%
Penstemon grandiflorus
Janish's penstemon
40%
Penstemon janishiae
Chelan penstemon
40%
Penstemon pruinosus
matroot penstemon
40%
Penstemon radicosus
Rydberg's penstemon
40%
Penstemon rydbergii
Heller's beardtongue
40%
Penstemon triflorus
Bridges' penstemon
40%
Penstemon rostriflorus
Lemmon's beardtongue
37%
Keckiella lemmonii
scarlet keckiella
37%
Keckiella ternata
fleshy beardtongue
37%
Penstemon carnosus
Owens Valley penstemon
37%
Penstemon confusus
Panamint beardtongue
37%
Penstemon floridus
lowly penstemon
37%
Penstemon humilis
tiger beardtongue
37%
Penstemon mensarum
cordroot beardtongue
37%
Penstemon montanus
littleflower penstemon
37%
Penstemon procerus
Rattan's beardtongue
37%
Penstemon rattanii
Rocky Mountain Penstemon
37%
Penstemon strictus
superb beardtongue
37%
Penstemon superbus
Thurber's penstemon
37%
Penstemon thurberi
wandbloom penstemon
37%
Penstemon virgatus
Watson's penstemon
37%
Penstemon watsonii
Wilcox's penstemon
37%
Penstemon wilcoxii
bush penstemon
37%
Penstemon ambiguus
scarlet penstemon
37%
Penstemon barbatus
Barneby's penstemon
37%
Penstemon barnebyi
Buckley's penstemon
37%
Penstemon buckleyi
ash penstemon
37%
Penstemon cinicola
Cusick's beardtongue
37%
Penstemon cusickii
Fendler's beardtongue
37%
Penstemon fendleri
hairy beardtongue
37%
Penstemon hirsutus
Mojave beardtongue
37%
Penstemon incertus
San Gabriel beardtongue
37%
Penstemon labrosus
Moffatt's beardtongue
37%
Penstemon moffatii
pale penstemon
37%
Penstemon pallidus
short-stalk penstemon
37%
Penstemon parvulus
Snow Mountain beardtongue
37%
Penstemon purpusii
cliff beardtongue
37%
Penstemon rupicola
Venus penstemon
37%
Penstemon venustus
inflated beardtongue
37%
Penstemon inflatus
slender penstemon
36%
Penstemon gracilentus
redwood penstemon
35%
Keckiella corymbosa
Rothrock's penstemon
35%
Keckiella rothrockii
Red Canyon beardtongue
35%
Penstemon bracteatus
sharpleaf penstemon
35%
Penstemon acuminatus
Arkansas beardtongue
35%
Penstemon arkansanus
sulphur penstemon
35%
Penstemon attenuatus
Colorado beardtongue
35%
Penstemon auriberbis
Barrett's penstemon
35%
Penstemon barrettiae
shortstem penstemon
35%
Penstemon breviculus
cardinal beardtongue
35%
Penstemon cardinalis
Cardwell's penstemon
35%
Penstemon cardwellii
Crandall's beardtongue
35%
Penstemon crandallii
Wasatch beardtongue
35%
Penstemon cyananthus
rocky ledge penstemon
35%
Penstemon ellipticus
high mountain penstemon
35%
Penstemon flavescens
bush penstemon
35%
Penstemon fruticosus
Sierra beardtongue
35%
Penstemon heterodoxus
eastern smooth beardtongue
35%
Penstemon laevigatus
nodding beardtongue
35%
Penstemon laxiflorus
scarlet beardtongue
35%
Penstemon murrayanus
Plumas County beardtongue
35%
Penstemon neotericus
Apache beardtongue
35%
Penstemon oliganthus
pineneedle penstemon
35%
Penstemon pinifolius
serrulate penstemon
35%
Penstemon serrulatus
Wallowa beardtongue
35%
Penstemon spatulatus
Riggin's penstemon
35%
Penstemon triphyllus
coiled anther penstemon
35%
Penstemon ophianthus
Sheep Creek beardtongue
35%
Penstemon mucronatus
white wand beardtongue
35%
Penstemon tubaeflorus
white penstemon
35%
Penstemon albidus
azure penstemon
35%
Penstemon azureus
San Bernardino beardtongue
35%
Penstemon caesius
blue penstemon
35%
Penstemon cyaneus
firecracker penstemon
35%
Penstemon eatonii
James' penstemon
35%
Penstemon jamesii
waxleaf penstemon
35%
Penstemon nitidus
Palmer's penstemon
35%
Penstemon palmeri
Small's beardtongue
35%
Penstemon smallii
pinto beardtongue
35%
Penstemon bicolor
scabland penstemon
35%
Penstemon deustus
Lyall's beardtongue
35%
Penstemon lyallii
shortlobe penstemon
35%
Penstemon seorsus
Roezl's penstemon
35%
Penstemon roezlii
Kunth's Penstemon
35%
Penstemon roseus
stiffleaf penstemon
32%
Penstemon aridus
cobaea beardtongue
32%
Penstemon cobaea
Hall's beardtongue
32%
Penstemon hallii
King's penstemon
32%
Penstemon kingii
mountain blue penstemon
32%
Penstemon laetus
handsome penstemon
32%
Penstemon lentus
Parry's beardtongue
32%
Penstemon parryi
Lone Pine penstemon
32%
Penstemon patens
Peck's beardtongue
32%
Penstemon peckii
sharpsepal beardtongue
32%
Penstemon tenuis
Sunset Crater beardtongue
32%
Penstemon clutei
Jone's penstemon
32%
Penstemon dolius
smoothleaf penstemon
32%
Penstemon leiophyllus
egg-leaf beardtongue
32%
Penstemon ovatus
Front Range beardtongue
32%
Penstemon virens
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