Pereira, F. O., & Köhler, M. (2025).
Pilosocereus cristalinensis
should not be regarded as conspecific with
P. machrisii
(Cereeae, Cactaceae).
Phytotaxa
,
696
(3), 262–265. https://doi.org/10.11646/phytotaxa.696.3.6