There were 2 accepted species found [distribution filter:
1 Aztekium hintonii Glass & W.A.Fitz Maur. distributionfilter: global
links:    
IPNI (International Plant Names Index)   
WFO (World Flora Online)   
Google   
Flickr
2 Aztekium ritteri (Boed.) Boed. distributionfilter: global
-
links:    
IPNI (International Plant Names Index)   
WFO (World Flora Online)   
Google   
Flickr