Suggestions
Quick select
Popular traits
253 beardtongues species
Penstemon multiflorus
Penstemon pinifolius
Penstemon virgatus
Penstemon carnosus
Penstemon cyanocaulis
Penstemon lentus
Penstemon abietinus
Penstemon alamosensis
Penstemon arenarius
Penstemon atwoodii
Penstemon auriberbis
Penstemon bracteatus
Penstemon breviculus
Penstemon campanulatus
Penstemon comarrhenus
Penstemon concinnus
Penstemon crandallii
Penstemon dasyphyllus
Penstemon deaveri
Penstemon degeneri
Penstemon discolor
Penstemon dissectus
Penstemon distans
Penstemon dolius
Penstemon floribundus
At least 12 characters with a letter and a number.