| Lewis Ralph Jones | |
| Birth Date: | December 5, 1864 |
| Birth Place: | Brandon, Wisconsin, US |
| Death Date: | April 1, 1945 |
| Death Place: | Orlando, Florida, US |
| Fields: | Botany |
| Alma Mater: | University of Michigan |
| Known For: | Plant pathology research |
| Author Abbrev Bot: | L.R.Jones |
| Nationality: | American |
Lewis Ralph Jones (December 5, 1864 – April 1, 1945) was an American botanist and agricultural biologist.[1]
Jones was born in Brandon, Wisconsin. He was a professor of plant pathology from 1904 to 1935 at the University of Wisconsin.[2] Jones was elected to the United States National Academy of Sciences in 1920 and the American Philosophical Society in 1925.[3] [4] He died in Orlando, Florida.[2]
Jones' second wife was Anna May Clark, a fellow botanist.[5] [6]