Barner, J. 2008. Propagation protocol for production of propagules (seeds) Lomatium grayi (J.M. Coult. & Rose) J.M. Coult. & Rose. 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 2020 March 5].