Taxonomy Explorer

Penstemon seorsus

Penstemon sepalulus

Penstemon serrulatus

Penstemon smallii

Penstemon spatulatus

Penstemon speciosus

Penstemon spectabilis

Penstemon stenophyllus

Penstemon stephensii

Penstemon strictiformis

Penstemon strictus

Penstemon subglaber

Penstemon subserratus

Penstemon subulatus

Penstemon sudans

Penstemon superbus

Penstemon tenuiflorus

Penstemon tenuis

Penstemon teucrioides

Penstemon thompsoniae

Penstemon thurberi

Penstemon tidestromii

Penstemon tiehmii

Penstemon tracyi

Penstemon triflorus

Penstemon triphyllus

Penstemon tubiflorus

Penstemon tusharensis

Penstemon uintahensis

Penstemon utahensis

Penstemon venustus

Penstemon versicolor

Penstemon virens

Penstemon virgatus

Penstemon wardii

Penstemon washingtonensis

Penstemon watsonii

Penstemon whippleanus

Penstemon wilcoxii

Penstemon wrightii

Penstemon X bryantiae

Penstemon X crideri

Penstemon X dubius

Penstemon X jonesii

Penstemon X mirus

Penstemon X parishii

Penstemon X peirsonii

Penstemon yampaensis