With Eduino Carbonó, he described 125 species of plants endemic to Sierra Nevada de Santa Marta in Colombia.
Gustavo Kuerten | Gustavo Bergalli | Contreras | Jorge Tadeo Lozano University | Gustavo Rowek | Rafael Lozano-Hemmer | John Contreras | Gustavo Garzón | Contreras Island | Gustavo Santaolalla | Gustavo Rojas Pinilla | Gustavo Machado | Gustavo Dudamel | Gustavo Chacín | Patricio Contreras | José Contreras | Javier Lozano Alarcón | Gustavo Romano | Gustavo Palafox | Gustavo Napoles | Gustavo Madero Muñoz | Gustavo Esteva | Gustavo Díaz Ordaz | Gustavo Cochet | Gustavo Cadile | Gustavo Arias Murueta | Elvis Contreras | Eleazar López Contreras | Alonso de Contreras | Adán Amezcua Contreras |