[1]
Cruz-Zamora, Y., Cruz-García, F., Orozco-Arroyo, G., Reyes-Santiago, J., Martínez-Castilla, L.P., Wegier, A. and Vázquez-Santana, S. 2017.

×Polascontria (Cactaceae), a nothogenus that represents the gene flow between Escontria and Polaskia

. Phytotaxa. 295, 2 (Feb. 2017), 141–158. DOI:https://doi.org/10.11646/phytotaxa.295.2.3.