Ana María Crespo de las Casas (born 30 March 1948, Santa Cruz de Tenerife) is a Spanish lichenologist noted for studying the phytosociology, taxonomy and floristics of Mediterranean lichens. [1] She was awarded the 2012 Acharius Medal from the International Association for Lichenology for lifetime achievements in lichenology, [2] and the genera Crespoa, [3] Cresponea and Cresporhaphis were named in her honor. [4]
The standard author abbreviation A.Crespo is used to indicate this person as the author when citing a botanical name. [5]