You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Thompson vicinity, from center of Interstate Hwy 20, 6.7 miles north on US Hwy 78 at Hart Creek. Remove constraint Place: Thompson vicinity, from center of Interstate Hwy 20, 6.7 miles north on US Hwy 78 at Hart Creek. Topic Poales Remove constraint Topic: Poales