On the Evolutionary History of Ephedra: Cretaceous Fossils and Extant Molecules

Autor: Rydin, Catarina, Pedersen, Kaj Raunsgaard, Friis, Else Marie, Crane, Peter R.
Zdroj: Proceedings of the National Academy of Sciences of the United States of America, 2004 Nov . 101(47), 16571-16576.
Databáze: JSTOR Journals