You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place N. slope of Mt. st. helens, just above Timberline Camp, Gifford Pinchot Nat'l Forest Remove constraint Place: N. slope of Mt. st. helens, just above Timberline Camp, Gifford Pinchot Nat'l Forest Topic Ophioglossaceae Remove constraint Topic: Ophioglossaceae