Parkinson, H. and A. DeBolt. 2005. Propagation protocol for production of container Eriogonum umbellatum. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Penstemon speciosus. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Penstemon speciosus. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Penstemon deustus. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Penstemon acuminatus. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Machaeranthera canescens. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Lomatium triternatum. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Lomatium grayi. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Parkinson, H.; DeBolt, A. 2005. Propagation protocol for production of container Lithospermum ruderale. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org
Jensen, S.L. 2007. Propagation protocol for production of container Agoseris glauca. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org