 | Domenico Maria Leone Cirillo was an Italian physician and patriot. He was born in Grumo Nevano... more » |
 | Domenico Agostino Vandelli was an Italian naturalist, who did most of his scientific work in... more » |
 | Don Francisco de Paula Marín was a Spaniard who became influential in the early Kingdom of... more » |
 | Dr. Don Gardner Despain is an American botanist, plant ecologist and fire behavior specialist,... more » |
 | Donald Culross Peattie was an American botanist, naturalist and author. He was described by... more » |
| Dr Donald John Pinkava is a botanist, specialising in cacti and succulents, and he is the... more » |
| Donald John McGillivray in New South Wales, Australia, usually known as D.J. McGillivray, was an... more » |
.jpg/207px-Douglas_Houghton_Campbell_(1859-1953).jpg "Douglas Houghton Campbell") | Douglas Houghton Campbell was an American botanist and university professor. He was one of the... more » |
 | Duncan Napier was a Victorian botanist and herbalist. His early start in life was hard as he was... more » |
