Lyall's beardtongue (Penstemon lyallii)
Same genus
- Sharpleaf penstemon (Penstemon acuminatus)
- Alberta beardtongue (Penstemon albertinus)
- Broadbeard beardtongue (Penstemon angustifolius)
- Yellow penstemon (Penstemon confertus)
- Wasatch beardtongue (Penstemon cyananthus)
- Scabland penstemon (Penstemon deustus)
- Firecracker penstemon (Penstemon eatonii)
- Palmer penstemon (Penstemon palmeri)