You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place Lake Remove constraint Place: Lake Place Minnesota Remove constraint Place: Minnesota Place USA Remove constraint Place: USA Place near boat dock, Knife River Harbor, Knife River, circa 8 miles north Duluth on hwy. 61 Remove constraint Place: near boat dock, Knife River Harbor, Knife River, circa 8 miles north Duluth on hwy. 61 Topic Sphagnales Remove constraint Topic: Sphagnales Topic Sphagnopsida Remove constraint Topic: Sphagnopsida Topic Sphagnum Remove constraint Topic: Sphagnum