Narrowseed yampah (Perideridia leptocarpa)
Same genus
- Eastern yampah (Perideridia americana)
- Mother Lode yampah (Perideridia bacigalupii)
- Bolander's yampah (Perideridia bolanderi)
- California yampah (Perideridia californica)
- Western yampah (Perideridia erythrorhiza)
- Gardner's yampah (Perideridia gairdneri)
- Howell's yampah (Perideridia howellii)
- Kellogg's yampah (Perideridia kelloggii)