Collection place
- Dos Cabezas Spring, San Diego County, California9
- Dos Cabezos Valley, San Diego County, California12
- Dos Posos Ranch, Baja California, Mexico4
- Douala, Littoral Region, Cameroon2
- Double Adobe Creek, Hidalgo County, New Mexico10
- Double Spring, Douglas County, Nevada1
- Doubtful Canyon, Peloncillo Mountains, Hidalgo County, New Mexico6
- Doud Creek region, San Jose y Sur Chiquito, Monterey County15
- Douglas County, Nebraska3
- Douglas County, Nevada972
- Douglas County, Oregon2
- Douglas County, Washington1
- Douglas Island, British Columbia, Canada1
- Douglas Place, Humboldt County, California1
- Dour Doum, Morocco9
- Downe, Kent, England1
- Downieville, Sierra County, California4
- Downtown San Francisco, San Francisco, San Francisco County2,482
- Drakes Bay, Point Reyes, Marin County3,727
- Drakes Estero, Drakes Bay, Marin County571