The Data Availability statement for this paper is incorrect. The correct statement is: All relevant data are available from Figshare. The complete dataset of chemical composition in Cactaceae wood is available under the DOI: http://dx.doi.org/10.6084/m9.figshare.1300164. The matrix for FTIR spectra is available under the DOI: http://dx.doi.org/10.6084/m9.figshare.1300167. The report of S/G ratio in thirteen Cactaceae species studie by HPLC is available under the DOI: http://dx.doi.org/10.6084/m9.figshare.1300168. Supporting Information of the S/G ratio in thirteen Cactaceae species studied by HPLC is available under the DOI: http://dx.doi.org/10.6084/m9.figshare.1300165. Supporting Information of the percentage of syringyl-size plant graphic is available under the DOI: http://dx.doi.org/10.6084/m9.figshare.1300166.