You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Marl Lake, N.E. of Holly. Remove constraint Place: Marl Lake, N.E. of Holly. Place Oakland Remove constraint Place: Oakland Topic Equisetaceae Remove constraint Topic: Equisetaceae Topic Equisetales Remove constraint Topic: Equisetales Topic Polypodiopsida Remove constraint Topic: Polypodiopsida