Vance, N. 2005. Conservation Assessment for Cypripedium fasciculatum. USDA Forest Service Region 6 and USDI Bureau of Land Management, OR/WA.
Reconfigured from
Seevers, J. and F. Lang. 1998. Management Recommendations for Cypripedium fasciculatum.USDA Forest Service Region 6 and USDI Bureau of Land Management, OR/WA.