You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Houghton Remove constraint Place: Houghton Place USA Remove constraint Place: USA Place near center W1/2 sec. 3, T49N, R37W, ca. 10.5 mi. SW of Alston. Remove constraint Place: near center W1/2 sec. 3, T49N, R37W, ca. 10.5 mi. SW of Alston. Topic Sonchus Remove constraint Topic: Sonchus