Lyall's rockcress
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Brassicales
- family: Brassicaceae
- genus: Boechera
- species: Boechera lyallii
Cascade
Idaho- Leavenworth
Washington
United States
Lyall's rockcress Cascade Leavenworth