You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Durango Remove constraint Place: Durango Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Place Peñón Blanco; Eastern piedmont of Sierra Gamon above Penon Blanco Remove constraint Place: Peñón Blanco; Eastern piedmont of Sierra Gamon above Penon Blanco Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poaceae Remove constraint Topic: Poaceae