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 Headwaters of Obia Creek, east side of Rocky Ridge, Lolo Trail, Bitterroot Mountains. Remove constraint Place: Headwaters of Obia Creek, east side of Rocky Ridge, Lolo Trail, Bitterroot Mountains.