Please note that the Museum will be closing at noon on Tuesday, August 12, 2025 for a staff appreciation event.

Research and Conservation in Southern Sonora, Mexico

Mammillaria grahamii (cabeza de viejo, choyita, fishhook pincushion cactus)

 


Mammillaria grahamii in tropical deciduous forest northeast of Alamos, Sonora. Photo: Martín G. Figueroa

 


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CESD Homepage Introduction to Southern Sonora History and Culture of Alamos Vegetation of the Alamos region Climate and Plant Phenology at Alamos Alamos Flora Scientific/Spanish/English plant names database Alamos Fauna