• Publications
  • Influence
Megaphylls, microphylls and the evolution of leaf development.
  • A. Tomescu
  • Biology, Medicine
  • Trends in plant science
  • 2009
Originally coined to emphasize morphological differences, 'microphyll' and 'megaphyll' became synonymous with the idea that vascular plant leaves are not homologous. Although it is now accepted thatExpand
The hydrostatic gradient, not light availability, drives height-related variation in Sequoia sempervirens (Cupressaceae) leaf anatomy.
UNLABELLED PREMISE OF THE STUDY Leaves at the tops of most trees are smaller, thicker, and in many other ways different from leaves on the lowermost branches. This height-related variation in leafExpand
Carbon isotopes support the presence of extensive land floras pre-dating the origin of vascular plants.
Abstract Multiple lines of evidence indicate that Earth's land masses became green some 2.7 Ga ago, about 1 billion years after the advent of life. About 2.2 billion years later, land plants abruptlyExpand
Early evolution of the vascular plant body plan - the missing mechanisms.
The complex body plan of modern vascular plants evolved by modification of simple systems of branching axes which originated from the determinate vegetative axis of a bryophyte-grade ancestor.Expand
Wetlands before tracheophytes: Thalloid terrestrial communities of the Early Silurian Passage Creek biota (Virginia)
Early Silurian (Llandoverian) macrofossils from the lower Massanutten Sandstone at Passage Creek in Virginia represent the oldest known terrestrial wetland communities. Fossils are preserved asExpand
Origin of Equisetum: Evolution of horsetails (Equisetales) within the major euphyllophyte clade Sphenopsida.
PREMISE OF THE STUDY Equisetum is the sole living representative of Sphenopsida, a clade with impressive species richness, a long fossil history dating back to the Devonian, and obscure relationshipsExpand
High Resolution Stratigraphic Distribution of Coprolites within Eneolithic Middens, a Case Study: Hârsova-Tell (Constanta County, Southeast Romania)
Abstract Quantitative distribution of coprolites, fish bones and mammal bones recovered by wet screening from an Eneolithic midden at Hârsova-tell (southeast Romania) is surveyed within a highExpand
Why Are Bryophytes So Rare in the Fossil Record? A Spotlight on Taphonomy and Fossil Preservation
Abstract The paucity of the bryophyte fossil record has often been blamed on low preservation potential. To address this perception, we (1) summarize data demonstrating that bryophytes have goodExpand
A Perithecial Sordariomycete (Ascomycota, Diaporthales) from the Lower Cretaceous of Vancouver Island, British Columbia, Canada
A perithecial ascomycete, Spataporthe taylori gen. et sp. nov., represented by >70 sporocarps is preserved by cellular permineralization in marine carbonate concretions dated at theExpand
Honeggeriella complexa gen. et sp. nov., a heteromerous lichen from the Lower Cretaceous of Vancouver Island (British Columbia, Canada).
PREMISE OF THE STUDY Colonists of even the most inhospitable environments, lichens are present in all terrestrial ecosystems. Because of their ecological versatility and ubiquity, they have beenExpand