The leaves of extant terrestrial plants show highly diverse and elaborate patterns of leaf
venation. One fundamental feature of many leaf venation patterns, especially in the case of …

The major diversification of flowering plants (angiosperms) in the Early Cretaceous, between
about 130 and 90 million years ago, initiated fundamental changes in terrestrial ecosystems …

Originally published in 1993, this second edition of a successful textbook describes and
explains in a refreshingly clear way the origin and evolution of plants as revealed by the …

Growing evidence of morphological diversity in angiosperm flowers, seeds and pollen from
the mid Cretaceous and the presence of derived lineages from increasingly older geological …

Pinus is a remarkable genus of trees with a very large distribution range in the northern
hemisphere. Where they occur, pines usually form the dominant vegetation cover and are …

A new model has been constructed for calculating the level of atmospheric CO2 during the
past 570 million years. A series of successive steady states for CO2 is used in order to …

Oleanane has been reported in Upper Cretaceous and Tertiary source rocks and their
related oils and has been suggested as a marker for flowering plants. Correspondence of …

Insects are not dinosaurs–and they probably pose us more strange
ACKNOWLEDGEMENTS puzzles and unexpected questions. A million extant species, that …

Angiosperms have dominated the Earth's vegetation since the mid-Cretaceous (90 million
years ago), providing much of our food, fibre, medicine and timber, yet their origin and early …

Information on the fossil record of angiosperms has expanded dramatically over the past
twenty-five years, and in particular the discovery of numerous mesofossil floras with fossil …