Parent: Glaucidium (Pygmy-owls)

└─ Glaucidium gnoma (Northern pygmy-owl)

└─── Glaucidium gnoma californicum

└─── Glaucidium gnoma cobanense

└─── Glaucidium gnoma gnoma

└─── Glaucidium gnoma grinnelli

└─── Glaucidium gnoma hoskinsii

└─── Glaucidium gnoma pinicola

└─── Glaucidium gnoma swarthi