You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Dry bed of Gila River, 30 miles southeast of Phoenix Remove constraint Place: Dry bed of Gila River, 30 miles southeast of Phoenix Place USA Remove constraint Place: USA Place no data Remove constraint Place: no data Topic Croton Remove constraint Topic: Croton Type still image Remove constraint Type: still image