Montanucci R. R., A morphological study on the question of the hybrid origin of Astrophytum coahuilense (Cactaceae), Journal of the Botanical Research Institute of Texas, 2024, 18(1):163-185, doi: 10.17348/jbrit.v18.i1.1346
The morphological study assesses a hybrid-origin hypothesis for Astrophytum coahuilense. It compares feature similarities and differences among the taxa considered.