Roy E. Gereau

2.7k total citations · 1 hit paper
89 papers, 1.2k citations indexed

About

Roy E. Gereau is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Molecular Biology. According to data from OpenAlex, Roy E. Gereau has authored 89 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Ecology, Evolution, Behavior and Systematics, 29 papers in Plant Science and 21 papers in Molecular Biology. Recurrent topics in Roy E. Gereau's work include Plant Diversity and Evolution (41 papers), Plant and animal studies (32 papers) and Plant and Fungal Species Descriptions (21 papers). Roy E. Gereau is often cited by papers focused on Plant Diversity and Evolution (41 papers), Plant and animal studies (32 papers) and Plant and Fungal Species Descriptions (21 papers). Roy E. Gereau collaborates with scholars based in United States, United Kingdom and Tanzania. Roy E. Gereau's co-authors include Jon C. Lovett, Charlotte M. Taylor, Neil Burgess, Rob Marchant, Philip J. Platts, Carmen Ulloa Ulloa, Peter H. Raven, Cyrille Chatelain, Peter B. Phillipson and Clinton N. Jenkins and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Journal of Ecology.

In The Last Decade

Roy E. Gereau

78 papers receiving 1.2k citations

Hit Papers

align trajectories

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.

The distribution of biodiversity richness in the tropics

2020 165 citations Roy E. Gereau et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Roy E. Gereau United States	19	594	364	272	259	252	89	1.2k
Ramadhanil Pitopang Indonesia	13	333 0.6×	518 1.4×	165 0.6×	252 1.0×	154 0.6×	72	1.2k
Henk Beentje United Kingdom	16	621 1.0×	410 1.1×	134 0.5×	539 2.1×	282 1.1×	61	1.6k
Duncan W. Thomas United States	19	759 1.3×	1.1k 2.9×	296 1.1×	383 1.5×	308 1.2×	42	2.0k
Colin A. Pendry United Kingdom	13	943 1.6×	629 1.7×	275 1.0×	457 1.8×	308 1.2×	34	1.8k
Patricia Dávila Mexico	23	779 1.3×	272 0.7×	123 0.5×	737 2.8×	221 0.9×	81	1.7k
Axel Dalberg Poulsen United Kingdom	21	881 1.5×	1.0k 2.9×	276 1.0×	289 1.1×	308 1.2×	74	1.9k
Alberto Vicentini Brazil	21	924 1.6×	580 1.6×	127 0.5×	432 1.7×	348 1.4×	57	1.7k
Carmen Ulloa Ulloa United States	16	563 0.9×	268 0.7×	150 0.6×	259 1.0×	181 0.7×	50	1.0k
K. N. Ganeshaiah India	26	686 1.2×	601 1.7×	136 0.5×	710 2.7×	444 1.8×	75	1.9k
Anders S. Barfod Denmark	19	650 1.1×	288 0.8×	90 0.3×	381 1.5×	276 1.1×	61	1.2k

Countries citing papers authored by Roy E. Gereau

Since Specialization

Citations

This map shows the geographic impact of Roy E. Gereau'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 Roy E. Gereau with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Roy E. Gereau more than expected).

Fields of papers citing papers by Roy E. Gereau

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roy E. Gereau. 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 Roy E. Gereau. The network helps show where Roy E. Gereau may publish in the future.

Co-authorship network of co-authors of Roy E. Gereau

This figure shows the co-authorship network connecting the top 25 collaborators of Roy E. Gereau. A scholar is included among the top collaborators of Roy E. Gereau 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 Roy E. Gereau. Roy E. Gereau is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ngute, Alain Senghor K., Marion Pfeifer, David S. Schoeman, et al.. (2024). Dynamics of tree stems and biomass in old‐growth and secondary forests along gradients in liana dominance, elevation and soil. Journal of Ecology. 112(7). 1638–1654. 2 indexed citations

Moore, Gerry, Gideon F. Smith, Estrela Figueiredo, et al.. (2024). In defense of the primacy of the Nomenclature Section in decision‐making in botanical nomenclature: A reply to the Rapporteurs’ comment on Proposal 193 to amend the Shenzhen Code. Taxon. 73(3). 663–667.

Cheek, Martin, Roy E. Gereau, & James Kalema. (2024). Afrothismia ugandensis nom. nov. (Afrothismiaceae), Critically Endangered and endemic to Budongo Central Forest Reserve, Uganda. Kew Bulletin. 79(4). 855–865.

Callmander, Martin W., Roy E. Gereau, Charlotte M. Taylor, et al.. (2024). History of plants sent by Jean-Baptiste Leblond to the Société d'histoire naturelle de Paris and typification of names published by Louis Claude Richard in 1792. Candollea. 79(1).

Burgess, Neil D., Lars Dinesen, Roy E. Gereau, et al.. (2024). Nature Forest Reserves in Tanzania and their importance for conservation. PLoS ONE. 19(2). e0281408–e0281408. 4 indexed citations

Gereau, Roy E., et al.. (2024). Capturing and managing genetic diversity in ex situ collections of threatened tropical trees: A case study in Karomia gigas. Applications in Plant Sciences. 12(3). e11589–e11589.

Callmander, Martin W., Sven Buerki, & Roy E. Gereau. (2020). (2772) Proposal to conserve the name Pandanus ornatus Kurz (Benstonea ornata) against P. ornatus W. Bull with a conserved type (Pandanaceae). Taxon. 69(5). 1115–1116. 1 indexed citations

Taylor, Charlotte M., et al.. (2020). Some distinctive new species of Psychotria (Rubiaceae, Psychotrieae) from Madagascar. Candollea. 75(2). 2 indexed citations

Moura, Tânia Maria de, et al.. (2019). Typification of the Linnaean Name Atropa arborescens (Solanaceae). Novon A Journal for Botanical Nomenclature. 27(4). 235–237. 1 indexed citations

10.

Sosef, Marc S.M., et al.. (2019). A Curious New Species of Xenostegia (Convolvulaceae) from Central Africa, with Remarks on the Phylogeny of the Genus. Systematic Botany. 44(2). 405–414. 7 indexed citations

11.

Dauby, Gilles, Tariq Stévart, Vincent Droissart, et al.. (2017). ConR: An R package to assist large‐scale multispecies preliminary conservation assessments using distribution data. Ecology and Evolution. 7(24). 11292–11303. 155 indexed citations

12.

Ahrends, Antje, Neil Burgess, Roy E. Gereau, et al.. (2011). Funding begets biodiversity. Diversity and Distributions. 17(2). 191–200. 60 indexed citations

13.

Taylor, Charlotte M., Barry E. Hammel, & Roy E. Gereau. (2011). Rubiacearum Americanarum Magna Hama Pars XXVII: Six New Species and a New Taxonomic View ofPosoqueria. Novon A Journal for Botanical Nomenclature. 21(1). 118–132.

14.

Platts, Philip J., Antje Ahrends, Roy E. Gereau, et al.. (2010). Can distribution models help refine inventory‐based estimates of conservation priority? A case study in the Eastern Arc forests of Tanzania and Kenya. Diversity and Distributions. 16(4). 628–642. 45 indexed citations

15.

Taylor, Charlotte M., David H. Lorence, & Roy E. Gereau. (2010). Rubiacearum Americanarum Magna Hama Pars XXV: The Nocturnally Flowering Psychotria domingensis–Coussarea hondensis Group Plus Three Other Mesoamerican Psychotria Species Transfer to Palicourea. Novon A Journal for Botanical Nomenclature. 20(4). 481–492. 39 indexed citations

16.

Lantz, Henrik & Roy E. Gereau. (2005). A new species of Rytigynia (Rubiaceae, Vanguerieae) from northeastern Tanzania, with notes on the circumscription of the genus. Novon A Journal for Botanical Nomenclature. 15. 315–318. 2 indexed citations

17.

Schatz, George E., Roy E. Gereau, & Porter P. Lowry. (1999). A revision of the Malagasy endemic genus Chouxia Capuron (Sapindaceae). Adansonia. 21(1). 51–62. 3 indexed citations

18.

Gereau, Roy E., et al.. (1998). Encephalartos ituriensis (Zamiaceae): an emended description. Adansonia. 20(1). 211–216.

19.

Lovett, Jon C. & Roy E. Gereau. (1990). Notes on the Floral Morphology and Ecology of Margaritaria discoidea (Euphorbiaceae) at Mufindi, Tanzania. Annals of the Missouri Botanical Garden. 77(1). 217–217. 3 indexed citations

20.

Gereau, Roy E., et al.. (1988). A contribution to Bontoc ethnobotany. Economic Botany. 42(3). 307–369. 26 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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