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Chelan penstemon
66%
Penstemon pruinosus
Davidson's penstemon
61%
Penstemon davidsonii
bush penstemon
55%
Penstemon fruticosus
yellow penstemon
52%
Penstemon confertus
littleflower penstemon
48%
Penstemon procerus
Washington penstemon
47%
Penstemon washingtonensis
cutleaf beardtongue
42%
Penstemon richardsonii
serrulate penstemon
37%
Penstemon serrulatus
fuzzy-tongue penstemon
31%
Penstemon eriantherus
Cardwell's penstemon
31%
Penstemon cardwellii
stickystem penstemon
31%
Penstemon glandulosus
royal penstemon
29%
Penstemon speciosus
Gairdner's beardtongue
29%
Penstemon gairdneri
rocky ledge penstemon
29%
Penstemon ellipticus
Death Valley beardtongue
29%
Penstemon fruticiformis
woodland beardtongue
28%
Nothochelone nemorosa
cliff beardtongue
28%
Penstemon rupicola
Venus penstemon
28%
Penstemon venustus
sharpleaf penstemon
27%
Penstemon acuminatus
western smooth beardtongue
27%
Penstemon glaber
egg-leaf beardtongue
26%
Penstemon ovatus
Wilcox's penstemon
26%
Penstemon wilcoxii
sulphur penstemon
25%
Penstemon attenuatus
scabland penstemon
25%
Penstemon deustus
Alberta beardtongue
24%
Penstemon albertinus
Rydberg's penstemon
24%
Penstemon rydbergii
finetooth beardtongue
24%
Penstemon subserratus
Riggins whorled penstemon
24%
Penstemon triphyllus
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