Elizalde, V., García, J.R., Trejo, C., Peña-Valdivia, C.B., Ybarra, M.C. and Leyva, O.R. 2021. Seed mass maturity in the terrestrial bromeliad Hechtia perotensis (Bromeliaceae), endemic to Mexico. Revista de Biología Tropical. 69, 3 (Aug. 2021), 843–851. DOI:https://doi.org/10.15517/rbt.v69i3.43477.