Pitcairnia robert-downsii González-Rocha, Espejo, López-Ferr. & M. Castillo Pitcairnia robert-downsii González-Rocha, Espejo, López-Ferr. & M. Castillo, Phytotaxa 351 (3): 224-226. 2018 sec. González-Rocha & al. 2018≡Pitcairnia palmeri var. longebracteata L.B. Sm., Wrightia 2: 64. 1960 syn. sec. González-Rocha & al. 2018