You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluival valley at head of Cienaga Canyon, south of Liebre Mountain. Remove constraint Place: Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluival valley at head of Cienaga Canyon, south of Liebre Mountain.