You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Calico Rock, from railroad 6.3 miles north on Ark Hwy 5. Remove constraint Place: Calico Rock, from railroad 6.3 miles north on Ark Hwy 5. Place Izard Remove constraint Place: Izard Topic Magnoliopsida Remove constraint Topic: Magnoliopsida Topic Poales Remove constraint Topic: Poales