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bush penstemon
55%
Penstemon fruticosus
woodland beardtongue
51%
Nothochelone nemorosa
royal penstemon
50%
Penstemon speciosus
cliff beardtongue
49%
Penstemon rupicola
serrulate penstemon
47%
Penstemon serrulatus
Davidson's penstemon
45%
Penstemon davidsonii
lowly penstemon
44%
Penstemon humilis
Gairdner's beardtongue
44%
Penstemon gairdneri
cutleaf beardtongue
36%
Penstemon richardsonii
littleflower penstemon
35%
Penstemon procerus
yellow penstemon
32%
Penstemon confertus
sulphur penstemon
31%
Penstemon attenuatus
Cardwell's penstemon
31%
Penstemon cardwellii
stickystem penstemon
31%
Penstemon glandulosus
twoleaf beardtongue
30%
Penstemon diphyllus
Death Valley beardtongue
29%
Penstemon fruticiformis
egg-leaf beardtongue
28%
Penstemon ovatus
finetooth beardtongue
28%
Penstemon subserratus
glaucous beardtongue
27%
Penstemon euglaucus
Rydberg's penstemon
27%
Penstemon rydbergii
sharpleaf penstemon
27%
Penstemon acuminatus
western smooth beardtongue
27%
Penstemon glaber
Chelan penstemon
26%
Penstemon pruinosus
scabland penstemon
24%
Penstemon deustus
Riggins whorled penstemon
24%
Penstemon triphyllus
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