The Whitebark Pine Ecosystem Foundation. Both of these species have a limited distribution within the Klamath National Forest. Newberry, John S. 1857. Continuing to use www.cabi.org means you agree to our use of cookies. Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species. Excellent resource for anyone interested in whitebark pine. Canadian Journal of Forest Research 26:2123-2133. Pinus flexilis. Proceedings of the Montana Academy of Sciences 25:58-59. Arno, Stephen F. and Ramona Hammerly. Pinus albicaulis (whitebark pine) Index. Transactions of the Academy of Science of St. Louis 2:205-210. Whitebark pine (Pinus albicaulis) is a native conifer of the Western U.S. that is considered a keystone species in the sub-alpine environment. The 1996-1997 National Register of Big Trees. Earle, 2001.09.24]. 2017. Nearly 80 percent of whitebark pines in Mount Rainier National Park are infected with blister rust.[6]. Restoration efforts undertaken by the U.S. Forest Service, Bureau of Land Management, and National Park Service in the northern Rocky Mountains involve harvesting cones from potentially and known resistant whitebark pines, growing seedlings, and outplanting seedlings in suitable sites.