Chaney, R.W. (1951). A revision of fossil Sequoia and Taxodium in western North America based on the recent discovery of Metasequoia. Transactions of the American Philosophical Society. 40 (3): 231. doi:10.2307/1005641. JSTOR1005641.
Kunzmann, L.; Kvaček, Z.; Mai, D. H.; Walther, H. (2009). The genus Taxodium (Cupressaceae) in the Palaeogene and Neogene of Central Europe. Review of Palaeobotany and Palynology. 153 (1–2): 153—183. doi:10.1016/j.revpalbo.2008.08.003.
jstor.org
Chaney, R.W. (1951). A revision of fossil Sequoia and Taxodium in western North America based on the recent discovery of Metasequoia. Transactions of the American Philosophical Society. 40 (3): 231. doi:10.2307/1005641. JSTOR1005641.
