Coníferas: Diferenzas entre revisións

Números de familia segundo Christenhusz ''et al''. (2011).<ref name="Christenhusz et al. 2011">Christenhusz, M.J.M, Reveal, J.L, Farjon, A., Gardner, M.F, Mill, R.R, y Chase, M.W. 2011. A new classification and linear sequence of extant gymnosperms. Phytotaxa 19: 55-70. ([https://helda.helsinki.fi/bitstream/handle/10138/28041/Christenhusz_2011_et_al_Phytotaxa19_Gymnosperms_55_70.pdf?sequence=2 pdf])</ref> Segundo os estudos filoxenéticos máis completos, cómpre incluirincluír ás gnetales:<ref>J. Gordon Burleigh & Sarah Mathews 2004. [http://www.amjbot.org/content/91/10/1599.abstract Phylogenetic signal in nucleotide data from seed plants: implications for resolving the seed plant tree of life.] {{Webarchive|url=https://web.archive.org/web/20160403114113/http://www.amjbot.org/content/91/10/1599.abstract |date=03 de abril de 2016 }} Am. J. Bot. September 2004 vol. 91 no. 10 1599-1613</ref>