Davis, T.J., Hernández, H.M., Starr, G.D. & Gómez-Hinostrosa, C. (2018)

A distinctive new species of Thelocactus (Cactaceae) from Oaxaca, Mexico

. Phytotaxa 361 (1): 115–122. https://doi.org/10.11646/phytotaxa.361.1.10