Carnegiea Britton & Rose in J. New York Bot. Gard. 9: 187. 1908 sec. Parfitt & Gibson 2003



Monotypic; sampled in several phylogenetic studies, first found as sister to Pachycereus (A.Berger) Britton & Rose (Arias & al. 2005), but without support. Later found nested in Pachycereus, as sister to P. pecten-aboriginum (Engelm. ex S.Watson) Britton & Rose with high support (Hernández-Hernández & al. 2011), yet the whole Pachycereus clade was only weakly supported in this study. Carnegiea is therefore still accepted here as a separate genus.A
A. Korotkova, N., Aquino, D., Arias, S., Eggli, U., Franck, A., Gómez-Hinostrosa, C., Guerrero, P.C., Hernández, H.M., Kohlbecker, A., Köhler, M., Luther, K., Majure, L.C., Müller, A., Metzing, D., Nyffeler, R., Sánchez, D., Schlumpberger, B. & Berendsohn, W.G. 2021: Cactaceae at – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51(2): 251-270