Springer, L. 2001. Propagation protocol for production of propagules (seeds, cuttings, poles, etc.) Erigeron speciosus (Lindl.) DC. seeds. 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 2018 January 3].

Springer, L. 2001. Propagation protocol for production of propagules (seeds, cuttings, poles, etc.) Erigeron speciosus (Lindl.) DC. seeds. 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 2018 January 3].

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