L. T. Collins, A. E. L. Colwell, G. Yatskievych, Missouri Botanical Garden (MO), 2015 (identification or reidentification). Examined for the Flora of North America Project.
Herbert L. Mason
12127
1939-07-11
July 11, 1939
United States, California, Tuolumne, Yosemite National Park, Miguel Meadow, west of Hetch Hetchy Valley.