You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Calico Rock, 6.3 miles north on Ark. Hwy. 5 at Moccasin Creek, roadside. Remove constraint Place: Calico Rock, 6.3 miles north on Ark. Hwy. 5 at Moccasin Creek, roadside. Topic Plantae Remove constraint Topic: Plantae