2026 Gar W. Rothwell: Plant Science and Agronomy Researcher – H-Index, Publications & Awards

D-Index & Metrics

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Plant Science and Agronomy	54	1730	1588	460	403	272	9272

Discipline name

D-Index

World Ranking

Current World Ranking

National Ranking

Current National Ranking

Publications

Citations

Plant Science and Agronomy

1730

1588

460

403

272

9272

Plant Science and Agronomy

D-Index

Citations

9272

World Ranking

1730

National Ranking

460

Overview

Gar W. Rothwell is affiliated with Ohio University in the United States and has contributed extensively to the fields of Agricultural and Biological Sciences, as well as Biochemistry, Genetics and Molecular Biology. Their research primarily focuses on Ecology, Evolution, Behavior and Systematics, Molecular Biology, Plant Science, Paleontology, and Food Science.

Rothwell's body of work covers significant topics in Plant Diversity and Evolution, Plant and Fungal Species Descriptions, Fern and Epiphyte Biology, Paleontology and Stratigraphy of Fossils, Plant Taxonomy and Phylogenetics, Lichen and fungal ecology, and Botany and Plant Ecology Studies.

Frequent coauthors collaborating with Rothwell include:

Ruth A. Stockey
Alexandru M. F. Tomescu
Selena Y. Smith
A Scharfstein
Brian A. Atkinson

Prominent publication venues where Rothwell's research has appeared are:

International Journal of Plant Sciences
MorphoBank datasets
American Journal of Botany
Cretaceous Research
Review of Palaeobotany and Palynology

Selected recent papers authored or coauthored by Rothwell include:

Evolution and Phylogeny of Altingiaceae: Anatomically Preserved Infructescences from Late Cretaceous Deposits of Vancouver Island, British Columbia, Canada (2020) published in International Journal of Plant Sciences
Stigmaria: A Review of the Anatomy, Development, and Functional Morphology of the Rootstock of the Arboreous Lycopsids (2022) published in International Journal of Plant Sciences
A novel cupulate seed plant, Xadzigacalix quatsinoensis gen. et sp. nov., provides new insight into the Mesozoic radiation of gymnosperms (2022) published in American Journal of Botany
Diversification of crown group Araucaria: the role of Araucaria famii sp. nov. in the Late Cretaceous (Campanian) radiation of Araucariaceae in the Northern Hemisphere (2020) published in American Journal of Botany
Fossils and plant evolution: structural fingerprints and modularity in the evo-devo paradigm (2022) published in EvoDevo

Best Publications

Lignophyte phylogeny and the evolution of spermatophytes : a numerical cladistic analysis

Gar W. Rothwell;Rudolph Serbet

308
Citations
Fossils and ferns in the resolution of land plant phylogeny

Gar W. Rothwell

229
Citations
Fossil ectomycorrhizae from the Middle Eocene

Ben A. Lepage;Randolph S. Currah;Ruth A. Stockey;Gar W. Rothwell

204
Citations
Stelar morphology and the primary vascular system of seed plants

Charles B. Beck;Rudolf Schmid;Gar W. Rothwell

197
Citations
Elkinsia gen. nov., a Late Devonian Gymnosperm with Cupulate Ovules

G. W. Rothwell;S. E. Scheckler;W. H. Gillespie

156
Citations
New interpretations of the earliest conifers

Gar W. Rothwell

152
Citations
How Does the Inclusion of Fossil Data Change Our Conclusions about the Phylogenetic History of Euphyllophytes

Gar W. Rothwell;Kevin C. Nixon

149
Citations
The fossil monocot Limnobiophyllum scutatum: Resolving the Phylogeny of Lemnaceae

Ruth A. Stockey;Georgia L. Hoffman;Gar W. Rothwell

130
Citations
The callistophytales (Pteridospermopsida): Reproductively sophisticated paleozoic gymnosperms

Gar W. Rothwell

126
Citations
Is the anthophyte hypothesis alive and well? New evidence from the reproductive structures of Bennettitales.

Gar W. Rothwell;William L. Crepet;Ruth A. Stockey

126
Citations
Chaloneria Gen. Nov.; Heterosporous Lycophytes from the Pennsylvanian of North America

Kathleen B. Pigg;Gar W. Rothwell

125
Citations
Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales)

Gar W. Rothwell;Gene Mapes;Genaro R. Hernandez-Castillo

122
Citations
Characterizing the most primitive seed ferns. I: A reconstruction of Elkinsia polymorpha

Rudolph Serbet;Gar W. Rothwell

121
Citations
Thucydiaceae Fam. Nov., with a Review and Reevaluation of Paleozoic Walchian Conifers

Genaro R. Hernandez‐Castillo;Gar W. Rothwell;Gene Mapes

118
Citations
Anatomically preserved plants from the Middle Eocene (Allenby Formation) of British Columbia

James F. Basinger;Gar W. Rothwell

113
Citations
Palaeobotany and the evolution of plants

Wilson Nichols Stewart;Gar W. Rothwell

112
Citations
THE RHIZOMORPH APEX OF PAURODENDRON; IMPLICATIONS FOR HOMOLOGIES AMONG THE ROOTING ORGANS OF LYCOPSIDA

Gar W. Rothwell;Diane M. Erwin

111
Citations
The earliest seeds

William H. Gillespie;Gar W. Rothwell;Stephen E. Scheckler

107
Citations
Cordaixylon dumusum n.sp. (Cordaitales). I. Vegetative Structures

Gar W. Rothwell;Susan Warner

103
Citations
Late Paleozoic conifers of North America: structure, diversity and occurrences

Gar W. Rothwell;Gene Mapes;Royal H. Mapes

93
Citations
The seed cone Eathiestrobus gen. nov.: Fossil evidence for a Jurassic origin of Pinaceae

Gar W. Rothwell;Gar W. Rothwell;Gene Mapes;Ruth A. Stockey;Ruth A. Stockey;Jason Hilton

91
Citations
The role of Hydropteris pinnata gen. et sp. nov. in reconstructing the cladistics of heterosporous ferns

Gar W. Rothwell;Ruth A. Stockey

91
Citations