''Acharagma aguirreanum'' is a critically endangered
microendemic cactus. It has a range of about one square kilometer in the calcareous semi-desert of the
Sierra de la Paila in Coahuila,
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
. Its population is estimated at less than 1000 individuals. Its only major threat is illegal collecting.
References
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Endemic flora of Mexico
Critically endangered plants
Cactoideae
{{Cactus-stub