You searched for: Institution University of Michigan. Libraries Remove constraint Institution: University of Michigan. Libraries Place South side of Mount Rogers. along dirt road branching east from Route 600 through Elk Garden, 0.7 miles east of Route 600 and 800 ft. south of Smyth-Grayson Counties line Remove constraint Place: South side of Mount Rogers. along dirt road branching east from Route 600 through Elk Garden, 0.7 miles east of Route 600 and 800 ft. south of Smyth-Grayson Counties line Place USA Remove constraint Place: USA Place Virginia Remove constraint Place: Virginia Topic Botrychium Remove constraint Topic: Botrychium Topic Polypodiopsida Remove constraint Topic: Polypodiopsida