– Charles des Moulins (1798–1875) De Puydt – Paul Émile de Puydt (1810–1891) Desv. – Nicaise Augustin Desvaux (1784–1856) De Vis – Charles Walter De Vis (1829–1915) de Vries – Hugo de Vries (1848–1935) D. Fairchild – David Fairchild (1869–1954) D.H. Scott – Dukinfield Henry Scott (1854–1934) Dill. – Johann Jacob Dillenius (1684–1747) D.M. Gates – David Murray Gates (1921–2016) Dodoens – Rembert Dodoens (1518–1585) Donk – Marinus Anton Donk (1908–1972) Donn – James Donn (1758–1813) Douglas – David Douglas (1798–1834) Drude – Carl Georg Oscar Drude (1852–1933) Dryand. – Jonas Carlsson Dryander (1748–1810) D.S. Jord. – David Starr Jordan (1851–1931) D.S. Johnson – Duncan Starr Johnson (1867–1937) Duch. – Pierre Étienne Simon Duchartre (1811–1894) Duchesne – Antoine Nicolas Duchesne (1747–1827)