| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Passerculus rostratus | 561892 | (Cassin, 1852) | | ITIS | invalid | subsequent name/combination of Passerculus sandwichensis rostratus | Species |
| Passerculus sandwichensis alaudinus | 179324 | Bonaparte, 1853 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis anthinus | 179320 | Bonaparte, 1853 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis anulus | 179326 | Huey, 1930 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis atratus | 179331 | van Rossem, 1930 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis beldingi | 179325 | Ridgway, 1885 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis brooksi | 179319 | Bishop, 1915 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis guttatus | 179328 | Lawrence, 1867 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis labradorius | 179316 | Howe, 1901 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis magdalenae | 179329 | van Rossem, 1947 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis nevadensis | 179322 | Grinnell, 1910 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis oblitus | 179318 | Peters and Griscom, 1938 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis princeps | 179315 | Maynard, 1872 | Ipswich Sparrow | ITIS | valid | | Subspecies |
| Passerculus sandwichensis rostratus | 179330 | (Cassin, 1852) | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis rufofuscus | 179323 | Camras, 1940 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis sanctorum | 179327 | Ridgway, 1883 | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis sandwichensis | 179321 | (J. F. Gmelin, 1789) | | ITIS | valid | | Subspecies |
| Passerculus sandwichensis savanna | 179317 | (Wilson, 1811) | | ITIS | valid | | Subspecies |
