 | Johann Jacob Roemer was a physician and professor of botany in Zurich, Switzerland. He was also... more » |
 | Johannes Elias Teijsmann was a biologist botanist and plant collector. He was born in Arnhem,... more » |
 | Johannes Grøntved was a Danish botanist. He made investigations of flora and vegetation in... more » |
 | Gottfried Wilhelm Johannes Mildbraed was a German botanist that specialized in mosses, ferns,... more » |
 | Johannes Müller Argoviensis was the name used by the Swiss botanist Johann Müller. He was the... more » |
 | Johannes Reinke was a German botanist and philosopher who was a native of Ziethen, Lauenburg. He... more » |
 | John Adolph Shafer was an American botanist. more » |
| John Baptist Banister was an English clergyman and one of the first university-trained... more » |
 | John Bartram was an early American botanist, horticulturist and explorer. Carolus Linnaeus said... more » |
_and_his_brother_John_Bellenden_Ker_(1765-1842)_holding_a_portfolio,_as_children_with_their_dog_by_Henry_Bone.jpg/232px-Henry_Gawler_(1766-1852)_and_his_brother_John_Bellenden_Ker_(1765-1842)_holding_a_portfolio,_as_children_with_their_dog_by_Henry_Bone.jpg "John Bellenden Ker Gawler") | John Bellenden Ker, originally John Gawler was an English botanist born about 1764 in Ramridge,... more » |
| John Bradbury was a Scottish botanist noted for his travels in the United States Midwest and... more » |
| Sir John Bretland Farmer FRS was a British botanist, born at Atherstone and educated at Magdalen... more » |
| John C. Bidwill was a mountaineer. more » |
 | John Charles Frémont or Fremont was an American military officer, explorer, and politician who... more » |
| John Christopher Willis FRS was an English botanist. more » |
 | John Claudius Loudon was a Scottish botanist, garden designer and cemetery designer, author and... more » |
| John Cocks was a marine biologist and botanist. He was the first to discover the red algae... more » |
| John Davidson was a notable Scottish-Canadian botanist. more » |
| John Douglas MacLachlan was a Canadian botanist and the first president of the University of... more » |
| John Ellis FRS was a British linen merchant and naturalist. Ellis specialised in the study of... more » |
_(14750484166).jpg/185px-The_ecological_relations_of_roots_(1919)_(14750484166).jpg "John Ernest Weaver") | John Ernest Weaver was an American botanist, prairie ecologist, and university professor. Weaver... more » |
| John Anthony Feehan, M.I.L.I., is an Irish geologist, botanist, author and broadcaster. He was... more » |
 | John Forbes Royle, British botanist and teacher of materia medica, was born in Kanpur in 1799... more » |
| John Fraser, FLS, F.R.H.S., was a Scottish botanist who collected plant specimens around the... more » |
 | John Gerard, also spelt John Gerarde, was a botanist and herbalist. He maintained a large herbal... more » |
