Skinner, D. 2004. Propagation protocol for production of container (plug) Balsamorhiza sagittata (Pursh) Nutt. plants. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://npn.rngr.net/propagation/protocols [Accessed 2017 October 2].