C. mexicana

C. mexicana may refer to:
 * Ceratozamia mexicana, a plant species endemic to Mexico
 * Copelandia mexicana, a mushroom species in the genus Copelandia
 * Crataegus mexicana, the tejocote, manzanita, tejocotera or Mexican hawthorn, a tree species native to the mountains of Mexico and parts of Guatemala

Synonyms

 * Cowania mexicana, a synonym for Purshia mexicana, the Mexican cliffrose, a perennial flowering small tree species native to Mexico and the southwestern United States
 * Cyathea mexicana, a synonym for the tree fern Alsophila firma