"Sandra Knapp". Cornell College of Agriculture and Life Sciences. Retrieved March 19, 2019.
doi.org
Christina Flann, Nicholas Turland, Anna M. Monro. 2014. Report on botanical nomenclature—Melbourne 2011. XVIII International Botanical Congress, Melbourne: Nomenclature Section, July 18–22, 2011. Phytokeys 41:1–289. https://doi.org/10.3897/phytokeys.41.8398
Nicolson, N., Challis, K., Tucker, A., & Knapp, S. 2017. Impact of e-publication changes in the International Code of Nomenclature for algae, fungi and plants (Melbourne Code, 2012) – did we need to “run for our lives”? BMC Evolutionary Biology 17:116. https://doi.org/10.1186/s12862-017-0961-8