Richardson, C.A.; Henderson, D.M. 1976. Classification and ordination of the alpine plant communities of Railroad Ridge, White Cloud Peaks, Idaho. The Great Basin Naturalist. 59(1): 63–78.
Richardson, C.A.; Henderson, D.M. 1976. Classification and ordination of the alpine plant communities of Railroad Ridge, White Cloud Peaks, Idaho. The Great Basin Naturalist. 59(1): 6378.