The University of Minnesota Herbarium (a division of the Bell Museum of Natural History) is located in the Biological Sciences tower on the St. Paul campus, corner of Gortner and Buford Avenues, room 875. Hours are from 8:00 a.m.–4:00 p.m. Monday through Friday during the regular school year and by appointment only in the summer. The distribution of specimens (approximately 900,000 total) is worldwide, though the majority are from the northern hemisphere.

https://www.bellmuseum.umn.edu/research-collections/plants/uofm-herbarium