You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Alamo Well, in Ajo Mts. 10 mi. S. of Tucson-Ajo road Remove constraint Place: Alamo Well, in Ajo Mts. 10 mi. S. of Tucson-Ajo road Topic Pteridaceae Remove constraint Topic: Pteridaceae