A. Le Thomas

2.7k total citations · 1 hit paper
11 papers, 2.2k citations indexed

About

A. Le Thomas is a scholar working on Ecology, Evolution, Behavior and Systematics, Forestry and Plant Science. According to data from OpenAlex, A. Le Thomas has authored 11 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Ecology, Evolution, Behavior and Systematics, 4 papers in Forestry and 3 papers in Plant Science. Recurrent topics in A. Le Thomas's work include Plant Diversity and Evolution (6 papers), African Botany and Ecology Studies (4 papers) and Plant and animal studies (3 papers). A. Le Thomas is often cited by papers focused on Plant Diversity and Evolution (6 papers), African Botany and Ecology Studies (4 papers) and Plant and animal studies (3 papers). A. Le Thomas collaborates with scholars based in France, Netherlands and India. A. Le Thomas's co-authors include Stephen Blackmore, W. Punt, Siwert Nilsson, P.P. Hoen, J.F. Doyle, Madeline M. Harley, Peter Goldblatt, Cynthia M. Morton, Steven H. Rogstad and P. Guinet and has published in prestigious journals such as Review of Palaeobotany and Palynology, Phytotaxa and Bothalia.

In The Last Decade

A. Le Thomas

11 papers receiving 2.0k citations

Hit Papers

Glossary of pollen and spore terminology 2006 2026 2012 2019 2006 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Glossary of pollen and spore terminology
    2006 2.0k citations W. Punt, P.P. Hoen et al. Review of Palaeobotany and Palynology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
A. Le Thomas France 6 1.8k 997 807 173 146 11 2.2k
P.P. Hoen Netherlands 12 1.9k 1.0× 966 1.0× 898 1.1× 329 1.9× 163 1.1× 17 2.4k
Siwert Nilsson Sweden 23 2.9k 1.6× 1.4k 1.4× 1.4k 1.7× 256 1.5× 228 1.6× 75 3.6k
I. K. Ferguson United Kingdom 24 1.5k 0.8× 874 0.9× 825 1.0× 250 1.4× 94 0.6× 81 2.0k
Steven J. Wagstaff New Zealand 33 1.9k 1.0× 1.2k 1.3× 1.2k 1.5× 134 0.8× 156 1.1× 62 2.8k
Michael Hesse Austria 32 2.5k 1.3× 2.0k 2.0× 1.4k 1.7× 201 1.2× 167 1.1× 103 3.3k
Ulf Swenson Sweden 28 1.6k 0.9× 1.0k 1.0× 619 0.8× 74 0.4× 77 0.5× 79 2.0k
Alexandra H. Wortley United Kingdom 20 870 0.5× 1.0k 1.0× 664 0.8× 119 0.7× 47 0.3× 43 1.9k
John J. Skvarla United States 32 2.7k 1.5× 2.4k 2.4× 2.0k 2.4× 103 0.6× 165 1.1× 162 4.0k
Heidemarie Halbritter Austria 17 1.1k 0.6× 665 0.7× 480 0.6× 117 0.7× 72 0.5× 34 1.4k
Ze‐Long Nie China 29 1.9k 1.0× 1.6k 1.6× 1.1k 1.3× 83 0.5× 216 1.5× 98 2.9k

Countries citing papers authored by A. Le Thomas

Since Specialization
Citations

This map shows the geographic impact of A. Le Thomas's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. Le Thomas with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. Le Thomas more than expected).

Fields of papers citing papers by A. Le Thomas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. Le Thomas. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. Le Thomas. The network helps show where A. Le Thomas may publish in the future.

Co-authorship network of co-authors of A. Le Thomas

This figure shows the co-authorship network connecting the top 25 collaborators of A. Le Thomas. A scholar is included among the top collaborators of A. Le Thomas based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. Le Thomas. A. Le Thomas is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

11 of 11 papers shown
1.
Thomas, A. Le & T. K. Arun Kumar. (2024). A new species of Naematelia (Tremellales, Basidiomycota) from India. Phytotaxa. 646(1). 58–66. 1 indexed citations
2.
Punt, W., P.P. Hoen, Stephen Blackmore, Siwert Nilsson, & A. Le Thomas. (2006). Glossary of pollen and spore terminology. Review of Palaeobotany and Palynology. 143(1-2). 1–81. 1993 indexed citations breakdown →
3.
Doyle, J.F., et al.. (2000). Implications of molecular data for pollen evolution in Annonaceae. 48 indexed citations
4.
Doyle, J.F. & A. Le Thomas. (1996). Phylogenetic analysis and character evolution in Annonaceae. 18(3-4). 279–334. 75 indexed citations
5.
Goldblatt, Peter & A. Le Thomas. (1992). Pollen morphology of Madagascan Aristea and Geosiris (Iridaceae-Nivenioideae) in relation to systematics and phylogeny. 14(2). 223–233. 15 indexed citations
6.
Thomas, A. Le. (1992). Pollen and spores: Patterns of diversification (The systematics association, special volume 44). Review of Palaeobotany and Palynology. 74(3-4). 315–316. 1 indexed citations
7.
Guinet, P. & A. Le Thomas. (1990). Current knowledge and interpretation of the pollen characters in Annonaceae and Leguminosae, subfamily Mimosoideae. Review of Palaeobotany and Palynology. 64(1-4). 109–127. 5 indexed citations
8.
Bamps, P. & A. Le Thomas. (1989). L'identité d'Artabotrys rhopalocarpus Le Thomas, Annonacée africaine. 11(4). 455–457. 1 indexed citations
9.
10.
Thomas, A. Le. (1983). Morphologie et palynologie des Annonacées africaines: interrelations phylogéniques. Bothalia. 14(3/4). 825–831. 3 indexed citations
11.
Thomas, A. Le, et al.. (1972). Sur la structure fine des tetrades de deux Annonacees (Asteranthe asterias et Hexalobus monopetalus). 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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