Konrad, S. K. & D. H. Clark, 1998: Evidence for an early neoglacial glacier advance from rock glaciers and lake sediments in the Sierra Nevada, California, U.S.A. - Arctic and Alpine Research 30, 3: 272 - 284.
Knudsen, K., 2014: Caliente Ranch: A refuge for rare lichens in the South Sierra Nevada Mountains. - Bulletin of the California LIchen Society 21, 1: 13-16.