„Gagnviðarætt“: Munur á milli breytinga

Einnig eru ''[[Parasitaxus]]'' (ein tegund), ''[[Microstrobos]]'' (tvær tegundir) og ''[[Sundacarpus]]'' (ein tegund) ýmist taldar sjálfstæðar ættkvíslir eða undir öðrum.<ref name="farjon2008">Aljos Farjon. 2008. ''A Natural History of Conifers''. Portland, Oregon: Timber Press. {{ISBN|978-0-88192-869-3}}</ref><ref name="Barker et al. 2004">Barker, N. P.; Muller, E. M.; and Mill, R. R. (2004). [http://eprints.ru.ac.za/126/01/sajsci_v100_n11_a26%5B1%5D.pdf "A yellowwood by any other name: molecular systematics and the taxonomy of ''Podocarpus'' and the Podocarpaceae in southern Africa"] {{webarchive|url=https://web.archive.org/web/20080408221809/http://eprints.ru.ac.za/126/01/sajsci_v100_n11_a26%5B1%5D.pdf |date=2008-04-08 }}. ''South African Journal of Science'', 100: 629–632.</ref>