Parent: Passerculus (Savannah sparrows)

└─ Passerculus sandwichensis (Savannah sparrow)

└─── Passerculus sandwichensis alaudinus

└─── Passerculus sandwichensis anthinus

└─── Passerculus sandwichensis anulus

└─── Passerculus sandwichensis atratus

└─── Passerculus sandwichensis beldingi

└─── Passerculus sandwichensis brooksi (Dwarf savannah sparrow)

└─── Passerculus sandwichensis brunnescens

└─── Passerculus sandwichensis guttatus

└─── Passerculus sandwichensis labradorius

└─── Passerculus sandwichensis magdalenae

└─── Passerculus sandwichensis nevadensis

└─── Passerculus sandwichensis princeps (Ipswich sparrow)

└─── Passerculus sandwichensis rostratus (Large-billed sparrow)

└─── Passerculus sandwichensis sanctorum

└─── Passerculus sandwichensis sandwichensis (Aleutian savannah sparrow)

└─── Passerculus sandwichensis savanna

└─── Passerculus sandwichensis wetmorei