A fossil-calibrated relaxed clock forEphedraindicates an Oligocene age for the divergence of Asian and New World clades and Miocene dispersal into South America

Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales-Erdtmanithecales-Gnetales group

(2009) Else Marie Friis et al.   AMERICAN JOURNAL OF BOTANY

An examination of phylogenetic models of substitution rate variation among lineages

(2009) S. Y.W. Ho   Biology Letters

Mega-phylogeny approach for comparative biology: an alternative to supertree and supermatrix approaches

(2009) Stephen A Smith et al.   BMC EVOLUTIONARY BIOLOGY

Loss of all plastid ndh genes in Gnetales and conifers: extent and evolutionary significance for the seed plant phylogeny

(2009) Thomas Werner Anthony Braukmann et al.   CURRENT GENETICS

Evolutionary Relationships in Ephedra (Gnetales), with Implications for Seed Plant Phylogeny

(2009) Catarina Rydin et al.   INTERNATIONAL JOURNAL OF PLANT SCIENCES

Dispersal Syndromes in North American Ephedra

(2009) Jennifer L. Hollander et al.   INTERNATIONAL JOURNAL OF PLANT SCIENCES

Evolution of the Madrean-Tethyan disjunctions and the North and South American amphitropical disjunctions in plants

(2009) Jun WEN et al.   Journal of Systematics and Evolution

Phylogenetics of neotropical Platymiscium (Leguminosae: Dalbergieae): systematics, divergence times, and biogeography inferred from nuclear ribosomal and plastid DNA sequence data

(2008) C. Saslis-Lagoudakis et al.   AMERICAN JOURNAL OF BOTANY

Phylogenetic relationships among seed plants: Persistent questions and the limits of molecular data

(2008) Sarah Mathews   AMERICAN JOURNAL OF BOTANY

The PhyLoTA Browser: Processing GenBank for Molecular Phylogenetics Research

(2008) Michael J. Sanderson et al.   SYSTEMATIC BIOLOGY