You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Santa María (La Providencia); 0.2 mi NW on Mex 136 from its jct. With the road to Benito Juárez, SE of Calpulalpan. Remove constraint Place: Santa María (La Providencia); 0.2 mi NW on Mex 136 from its jct. With the road to Benito Juárez, SE of Calpulalpan. Topic Poaceae Remove constraint Topic: Poaceae