Dictionaries, Thesauruses, Pictures, and Press Releases
- Davidov, August Yulevich
- Davis, D.(Delbert) Dwight
- Davison, William
- Davy, Humphary
- dawn redwood
- Dawson, Charles
- Dawson, John Wiliam
- Dawsonites arcuatus
- day length
- day length
- day length
- Day, Arthur Louis
- Day, David Talbot
- day-neutral plant
- day-neutral plant
- day-neutral plant
- De Beer, Gavin Rylands
- De Finetti, Bruno
- De Giorgi, Ennio
- De Groot, Jan Cornets