Tilley, D. 2013. Propagation protocol for production of container (plug) Chaenactis douglasii (Hook.) Hook. & Arn. plants. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org [Accessed 2017 April 23].

Tilley, D. 2013. Propagation protocol for production of container (plug) Chaenactis douglasii (Hook.) Hook. & Arn. plants. Native Plant Network. U.S. Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources. http://NativePlantNetwork.org [Accessed 2017 April 23].

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