You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Vicinity of Barranca Bermeja, Magdalena Valley, between Sogamoso and Carare Rivers. Head of Aguas Blancas Creek 35 km. south of El Centro. Remove constraint Place: Vicinity of Barranca Bermeja, Magdalena Valley, between Sogamoso and Carare Rivers. Head of Aguas Blancas Creek 35 km. south of El Centro.