Birth Chart and Horoscope of 20th century botanists
- Alan Robertson Gemmell
- Alwyn Gentry
- Amy Jacot Guillarmod
- Anna Schchian
- Armando Dugand
- Arne Strid
- Arthur Roy Clapham
- Áskell Löve
- Chester A. Arnold
- Cleofé Calderón
- Daniel I. Arnon
- David Goodall
- Doris Duke
- E. Yale Dawson
- Earl Lemley Core
- Edward Johnston Alexander
- Elso Barghoorn
- Eugene Rabinowitch
- Francis Raymond Fosberg
- Frans Hubert Edouard Arthur Walter Robyns
- Frans Stafleu
- Frederick Campion Steward
- Frits Warmolt Went
- Gilbert Chandler
- Greta Stevenson
- Harold J. Brodie
- Harry van Bruggen
- Helen Blackler
- Henry Connor (botanist)
- Henry Nathaniel Andrews
- Herbert Copeland
- Hugo Gunckel Lüer
- Igor Lintchevski
- James Underwood Crockett
- Job Edward Lousley
- John Phillip Harison Acocks
- Josef Ludwig Holub
- José Cuatrecasas
- Karl Heinz Rechinger
- Kees Van Steenis
- Leslie Codd
- Leslie Holdridge
- Lucy Moore (botanist)
- Margaret Adebisi Sowunmi
- Maruja Carrasco
- Mário Guimarães Ferri
- Oswald Tippo
- Per Wendelbo
- Phyllis Clinch
- Reidar Jørgensen
- Robert F. Chandler
- Roberto Burle Marx
- Roger Jean Heim
- Rolf Singer
- Ronald Melville
- Royall T. Moore
- Rufus Youngblood
- Ted Chamberlain
- Thomas W. Whitaker
- Thomas ap Rees
- William C. Steere
- William Culp Darrah
- Winsome Fanny Barker