United States of America, Colorado, Grand, RMNP Upper Kawuneeche Valley, Colorado River headwaters, Never Summer Ranch access road, Holzwarth cabins. Gravel bar (15'x8') in Colorado River just Noorth of bridge.
For additional information about this specimen, please contact: Jennifer Ackerfield, Head Curator of Biodiversity Collections (jennifer.ackerfield@botanicgardens.org)