Graciela Calderón Díaz Barriga (14 July 1931 – 2 January 2022[1]) was a Mexican botanist and professor who was known for her work on neotropical flora.
She graduated in biology from the Instituto Politécnico Nacional in 1957, with the thesis "Vegetation of the San Luis Potosí Valley".
[3] She has worked at the Mexican Institute of Renewable Natural Resources, at the Institute of Ecology, A.C. (INECOL), at the Regional Center of the Bajío (in Pátzcuaro, Michoacán), in addition to the National School of Biological Sciences.
Graciela and her husband were honored in 1994 with an edited book detailing their impact on the study of botany in Mexico.
[8] The flowering plant Megacorax gracielanus is named in honor of Calderón's contribution to botany.