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- Image author: Ed Uebel
- photograph of a herbarium specimen taken through a dissecting microscope (x12) showing a torn cup. Collected growing in moss on soil in Cladina barren
- Collected June 1981, 2.2 miles W of the University of Michigan Biological Station, Cheboygan County, Michigan. Specimen is now in the Lichen Herbarium of the New York Botanical Garden. Collected by Richard E. Riefner.
- Original image
- Website: Wikipedia image