20 Citations
Seeing the forest with the leaves – clues to canopy placement from leaf fossil size and venation characteristics
- Environmental Science, GeographyGeobiology
- 2009
The study of Ginkgo complements previous work on Quercus and may prove useful for assessing the likelihood that two distinct fossil morphospecies actually represent leaves of the same plant and to gather information concerning canopy structure from disarticulated leaves.
How plants conquered land: evolution of terrestrial adaptation
- Environmental ScienceJournal of evolutionary biology
- 2022
The transition of plants from water to land is considered one of the most significant events in the evolution of life on Earth. The colonization of land by plants, accompanied by their morphological,…
Emergence.
- Geology, Environmental ScienceAnesthesia and analgesia
- 2022
Professional Activity Editor, Paleobiology 2018Associate editor, Paleobiology 2011-2018 Member, Fellows Committee, Paleontological Society (Chair, 2018, 2019) 2017-2019 Member, W. S. Cooper Award…
Not all 'pine cones' flex: functional trade-offs and the evolution of seed release mechanisms.
- Environmental Science, BiologyThe New phytologist
- 2019
The linkage among release mechanisms, vascular anatomy and seed traits illustrates how a wide variety of selective pressures may influence the function and physiology of reproductive structures.
The prospects for constraining productivity through time with the whole-plant physiology of fossils.
- Environmental ScienceThe New phytologist
- 2019
It is argued here that individual high conductance components in these Paleozoic plants are nonetheless associated with low whole-plant productivity, just as can be commonly seen in living plants.
Innovation and stasis : gymnosperms from the early Permian Jambi flora
- Environmental Science, Geography
- 2017
The name ‘Jambi flora’ refers to fossil plants found as
part of a rock formation from the Early Permian (296 million years old), located in the
Jambi Province of Sumatra, Indonesia.
The flora is…
Digital Morphometrics of Two North American Grapevines (Vitis: Vitaceae) Quantifies Leaf Variation between Species, within Species, and among Individuals
- Environmental ScienceFront. Plant Sci.
- 2017
Digital morphometrics is a powerful tool for assessing leaf shape variation among species, genotypes, and clones under common conditions and suggests biotic factors such as pests and pathogens as important drivers influencing leaf shape.
Arborescent lycopsid productivity and lifespan: Constraining the possibilities
- Environmental Science, Geography
- 2016
Patterns of vegetation in south-central Tasmania : a view based on plant macrofossils
- Environmental Science, Geography
- 2016
This study represents the first quantitative study of macrofossils in Australia for this significant period of environmental change and suggests that allowing for the effects of leaf size and stomatal density in comparisons of vein density is a useful tool for reconstructing the structure of the vegetation from fossil leaves.
Dryland vegetation from the Middle Pennsylvanian of Indiana (Illinois Basin): the dryland biome in glacioeustatic, paleobiogeographic, and paleoecologic context
- Geography, Environmental ScienceJournal of Paleontology
- 2016
Abstract A macrofloral assemblage dominated by elements of the Euramerican dryland biome is described from the Brazil Formation in Clay County, Indiana (Illinois Basin). Fossils were recovered from a…
References
SHOWING 1-10 OF 15 REFERENCES
Evolution of land plant architecture: beyond the telome theory
- BiologyPaleobiology
- 2006
An attempt to clarify perhaps the most important issue raised by the telome theory—whether simple changes in basic developmental processes suffice to describe much of early land plant evolution, and whether it critically fails testability as a scientific theory.
The comparative investigation of apices of vascular plants by experimental methods
- Environmental SciencePhilosophical Transactions of the Royal Society of London. Series B, Biological Sciences
- 1950
The experimental data so far obtained show that when the same experimental treatments are applied to very differently constituted apices, closely comparable results are obtained, and the importance of the cellular constitution of apices in organogenesis is discussed.
Leaf Venation Patterns and the Origin of the Angiosperms
- Environmental Science, GeographyNature
- 1969
Evolution of the angiosperm leaf is traced through venation patterns by comparing those of living plants from the countries which formed Gondwanaland with the fossil record.
Fossils and ferns in the resolution of land plant phylogeny
- Environmental Science, BiologyThe Botanical Review
- 2008
These analyses are a first attempt, which includes extinct plants, to develop cladistic hypotheses for the overall topology of fern phylogeny and to lay the groundwork for more detailed analyses of relationships among the homosporous leptosporangiates.
Functional design space of single-veined leaves: role of tissue hydraulic properties in constraining leaf size and shape.
- Environmental ScienceAnnals of botany
- 2004
This exercise demonstrates that hydraulic parameters have dissimilar effects: surface resistance primarily affects leaf size, while radial and mesophyll resistances primarily affect leaf shape.
Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants
- BiologyNature
- 2001
It is shown that there are three monophyletic groups of extant vascular plants: (1) lycophytes, (2) seed plants and (3) a clade including equisetophytes (horsetails, psilotophytes) and all eusporangiate and leptosporangiates ferns.