Montanucci, Richard R., and Klaus-Peter Kleszewski. 2019. “Nomenclature and Redescription of the Jaumave Valley (Mexico) Populations of Astrophytum Myriostigma (Cactaceae)”. Journal of the Botanical Research Institute of Texas 13 (1):63-69. https://doi.org/10.17348/jbrit.v13.i1.826.