You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Language UND Remove constraint Language: UND Place Guerrero Remove constraint Place: Guerrero Place Mexico Remove constraint Place: Mexico Place at and just below summit of Cerro Alquitran, 17-18 km. by road west of Mex. hgihway 95 and Mazatlan Remove constraint Place: at and just below summit of Cerro Alquitran, 17-18 km. by road west of Mex. hgihway 95 and Mazatlan Topic Saxifragales Remove constraint Topic: Saxifragales Topic Sedum Remove constraint Topic: Sedum