Mammillaria schwarzii

{{Short description|Species of cactus}}

{{Speciesbox

|image =Mammillaria schwarzii.jpg

|status = CR

|status_system = IUCN3.1

|status_ref =

|genus = Mammillaria

|species = schwarzii

|authority = Shurly

}}

Mammillaria schwarzii is a species of plant in the family Cactaceae. It is endemic to Guanajuato state in Mexico. Its natural habitat is hot deserts.

Thought to be extinct for some time, it was rediscovered in 1987.[Fitz Maurice, W.A. & Fitz Maurice, B. 2002. [http://www.iucnredlist.org/details/40851/all Mammillaria schwarzii]. [http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species.] Downloaded on 22 August 2007.]