Chú thích Thủy sam

  1. Gadek, P.A., Alpers, D.L., Heslewood, M.M., and Quinn, C.J. (2000). Relationships within Cupressaceae sensu lato: A combined morphological and molecular approach. American Journal of Botany, 87(7): 1044-1057.(tiếng Anh)

Tài liệu tham khảo

WikiPedia: Thủy sam http://www.brandonu.ca/academic/environmental/imag... http://books.google.com/books?id=JfiWU-1GSqEC http://edisk.fandm.edu/chris.williams/pubs/william... http://www.fandm.edu/x13504.xml http://penguin.bio.miami.edu/leo/PDF%20articles/Ja... http://www.peabody.yale.edu/scipubs/abstracts/abs_... http://www.itis.gov/servlet/SingleRpt/SingleRpt?se... http://www.dawnredwood.org http://www.iucnredlist.org/search/details.php/3231... http://www.paleosoc.org/paleobio.htm