The Earliest Fleshy Cone of Ephedra from the Early Cretaceous Yixian Formation of Northeast China

Micromorphology of the Seed Envelope of Ephedra L. (Gnetales) and Its Relevance for the Timing of Evolutionary Events

(2011) Stefanie M. Ickert-Bond et al.   INTERNATIONAL JOURNAL OF PLANT SCIENCES

Shifting functional roles and the evolution of conifer pollen-producing and seed-producing cones

(2011) Andrew B. Leslie   PALEOBIOLOGY

A new Early Cretaceous relative of Gnetales: Siphonospermum simplex gen. et sp. nov. from the Yixian Formation of Northeast China

(2010) Catarina Rydin et al.   BMC EVOLUTIONARY BIOLOGY

The female reproductive unit of Ephedra (Gnetales): comparative morphology and evolutionary perspectives

(2010) CATARINA RYDIN et al.   BOTANICAL JOURNAL OF THE LINNEAN SOCIETY

Diversity of Mesozoic gnetophytes and the first angiosperms

(2010) V. A. Krassilov   PALEONTOLOGICAL JOURNAL

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

Evolution of seed dispersal in North American Ephedra

(2009) Jennifer L. Hollander et al.   EVOLUTIONARY ECOLOGY

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

Cearania heterophylla gen. nov. et sp. nov., a fossil gymnosperm with affinities to the Gnetales from the Early Cretaceous of northern Gondwana

(2009) Lutz Kunzmann et al.   REVIEW OF PALAEOBOTANY AND PALYNOLOGY

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

(2009) Stefanie M. ICKERT-BOND et al.   Journal of Systematics and Evolution