You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place El Fénix; 14 mi SW of Piedras Negras toward Nava. Remove constraint Place: El Fénix; 14 mi SW of Piedras Negras toward Nava. Place Mexico Remove constraint Place: Mexico Place North America Remove constraint Place: North America Topic Bothriochloa Remove constraint Topic: Bothriochloa Topic Plantae Remove constraint Topic: Plantae