Jensen, S.L. 2007. Propagation protocol for production of container (plugs) Agoseris aurantiaca (Hook.) Greene, plants 5.5 cu. in. root trainers. U.S. Department of Agriculture, Forest Service, Shrub Sciences Laboratory Provo, Utah. National Center for Reforestation, Nurseries, and Genetic Resources. http://npn.rngr.net/propagation/protocols [Accessed 2020 November 20].

Jensen, S.L. 2007. Propagation protocol for production of container (plugs) Agoseris aurantiaca (Hook.) Greene, plants 5.5 cu. in. root trainers. U.S. Department of Agriculture, Forest Service, Shrub Sciences Laboratory Provo, Utah. National Center for Reforestation, Nurseries, and Genetic Resources. http://npn.rngr.net/propagation/protocols [Accessed 2020 November 20].