You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Chimaltitan; 10 mi SE of Calvillo, 3 hours by horse from Rancho de Los Adobes, Sierra del Laurel Remove constraint Place: Chimaltitan; 10 mi SE of Calvillo, 3 hours by horse from Rancho de Los Adobes, Sierra del Laurel