Graciela Calderón Díaz Barriga (14 July 1931 – 2 January 2022) was a Mexican botanist and professor who was known for her work on neotropical flora.
Education and career She graduated in biology from the Instituto Politécnico Nacional in 1957, with the thesis "Vegetation of the San Luis Potosí Valley". She was recognized as a tenured researcher by the Sistema Nacional de Investigadores. 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.
She was married to Jerzy Rzedowski, a botanical researcher and naturalized Mexican. Graciela and her husband were honored in 1994 with an edited book detailing their impact on the study of botany in Mexico.
Selected publications Reviews of Los principales colectores de plantas activos en México entre 1700 y 1930
Honors and awards Calderón received an honorary degree in 2010 from Universidad Autonoma Metropolitana.
The flowering plant Megacorax gracielanus is named in honor of Calderón's contribution to botany.
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