Reidmorania occidentalis is a succulent plant in the stonecrop family (Crassulaceae) native to the state of Sinaloa in Mexico.

It is within the monotypic genus Reidmorania, which is named after botanist Reid Moran, who was notable for his research in the Crassulaceae family.

This plant was originally placed as Graptopetalum occidentale, described by Joseph Nelson Rose and Eric Walther in 1933 from the single collection.

[1] This plant is found in the Culiacán Municipality of Sinaloa state, on the northwestern coast of México, to the southeast of Baja California.

In habitat, it occurs in tropical to sub-tropical and sub-deciduous forest, commonly associated with species of Agave, Brosimum, Bursera, Echeveria and Hechtia.