Alan Р. Smith

10.7k total citations · 3 hit papers
269 papers, 7.4k citations indexed

About

Alan Р. Smith is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Nature and Landscape Conservation. According to data from OpenAlex, Alan Р. Smith has authored 269 papers receiving a total of 7.4k indexed citations (citations by other indexed papers that have themselves been cited), including 172 papers in Ecology, Evolution, Behavior and Systematics, 56 papers in Plant Science and 24 papers in Nature and Landscape Conservation. Recurrent topics in Alan Р. Smith's work include Fern and Epiphyte Biology (154 papers), Plant Diversity and Evolution (114 papers) and Plant and animal studies (97 papers). Alan Р. Smith is often cited by papers focused on Fern and Epiphyte Biology (154 papers), Plant Diversity and Evolution (114 papers) and Plant and animal studies (97 papers). Alan Р. Smith collaborates with scholars based in United States, Switzerland and Brazil. Alan Р. Smith's co-authors include Kathleen M. Pryer, Harald Schneider, Paul G. Wolf, Eric Schuettpelz, Raymond Cranfill, Petra Korall, Alice F. Tryon, R. M. Tryon, John T. Mickel and Robbin C. Moran and has published in prestigious journals such as Nature, SHILAP Revista de lepidopterología and Journal of Geophysical Research Atmospheres.

In The Last Decade

Alan Р. Smith

240 papers receiving 6.8k 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.

A classification for extant ferns

2006 1.3k citations Alan Р. Smith, Kathleen M. Pryer et al. profile →
Ferns and Allied Plants. with Special Reference to Tropical America

1983 534 citations Alan Р. Smith et al. profile →
Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants

2001 508 citations Kathleen M. Pryer, Harald Schneider et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alan Р. Smith United States	39	5.9k	1.3k	1.2k	656	518	269	7.4k
Stephen Blackmore United Kingdom	31	3.4k 0.6×	2.1k 1.6×	2.5k 2.1×	262 0.4×	190 0.4×	127	4.9k
Peter J. Wagner United States	36	615 0.1×	236 0.2×	1.5k 1.3×	406 0.6×	283 0.5×	98	5.9k
Leo Hickey United States	31	4.0k 0.7×	1.8k 1.4×	1.9k 1.6×	544 0.8×	68 0.1×	74	5.9k
Peter D. Moore United Kingdom	38	901 0.2×	1.5k 1.1×	1.5k 1.2×	893 1.4×	124 0.2×	309	6.3k
H. Godwin United Kingdom	37	1.5k 0.3×	1.3k 1.0×	856 0.7×	274 0.4×	97 0.2×	105	4.9k
Douglas A. Campbell Canada	47	1.0k 0.2×	1.1k 0.9×	2.5k 2.1×	98 0.1×	67 0.1×	164	6.8k
Nathalie Frascaria‐Lacoste France	31	752 0.1×	748 0.6×	509 0.4×	474 0.7×	170 0.3×	133	3.2k
Peter R. Crane United States	63	10.6k 1.8×	3.8k 3.0×	6.9k 5.7×	1.2k 1.8×	152 0.3×	229	13.4k
Charles S. Cockell United Kingdom	52	1.6k 0.3×	601 0.5×	1.4k 1.2×	54 0.1×	86 0.2×	412	10.3k
Donat‐Peter Häder Germany	36	998 0.2×	659 0.5×	1.1k 0.9×	83 0.1×	103 0.2×	142	5.3k

Countries citing papers authored by Alan Р. Smith

Since Specialization

Citations

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

Fields of papers citing papers by Alan Р. Smith

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan Р. Smith. 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 Alan Р. Smith. The network helps show where Alan Р. Smith may publish in the future.

Co-authorship network of co-authors of Alan Р. Smith

This figure shows the co-authorship network connecting the top 25 collaborators of Alan Р. Smith. A scholar is included among the top collaborators of Alan Р. Smith 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 Alan Р. Smith. Alan Р. Smith 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

Tsoi, Wai‐Chiu, et al.. (2023). Multicenter evaluation of the new Alinity s anti-HCV II assay for routine hepatitis C virus blood screening. SHILAP Revista de lepidopterología. 3(1). 100136–100136. 1 indexed citations

Game, John C., et al.. (2020). A new specimen‐based checklist of ferns and lycophytes from Rotuma (Fiji). New Zealand Journal of Botany. 59(1). 137–153. 1 indexed citations

Woerner, August E., F. Curtis Hewitt, Myles W. Gardner, et al.. (2020). An algorithm for random match probability calculation from peptide sequences. Forensic Science International Genetics. 47. 102295–102295. 5 indexed citations

Kessler, Michael & Alan Р. Smith. (2018). Prodromus of a fern flora for Bolivia. XI. Gleicheniaceae. Phytotaxa. 344(1). 3 indexed citations

Game, John C., Susan Fawcett, & Alan Р. Smith. (2017). New pteridophyte records for Taveuni (Fiji) and a new species of Chingia (Thelypteridaceae). New Zealand Journal of Botany. 56(1). 26–37. 1 indexed citations

Kessler, Michael, Alan Р. Smith, & Jefferson Prado. (2017). Prodromus of a fern flora for Bolivia. XXVII. Pteridaceae. Phytotaxa. 332(3). 11 indexed citations

Gasper, André Luís de, Vinícius Antonio de Oliveira Dittrich, Alan Р. Smith, & Alexandre Salino. (2016). A classification for Blechnaceae (Polypodiales: Polypodiopsida): New genera, resurrected names, and combinations. Phytotaxa. 275(3). 56 indexed citations

Almeida, Thaís Elias, Sabine Hennequin, Harald Schneider, et al.. (2015). Towards a phylogenetic generic classification of Thelypteridaceae: Additional sampling suggests alterations of neotropical taxa and further study of paleotropical genera. Molecular Phylogenetics and Evolution. 94(Pt B). 688–700. 42 indexed citations

Smith, Alan Р. & J. Daniel Tejero-Díez. (2014). Pleopeltis (Polypodiaceae), a redefinition of the genus and nomenclatural novelties. Botanical Sciences. 92(1). 43–58. 37 indexed citations

10.

Smith, Alan Р. & J. Daniel Tejero-Díez. (2014). Pleopeltis (Polypodiaceae), una redefinición genérica y novedades nomenclaturales. 92(1). 43–58. 1 indexed citations

11.

Smith, Alan Р., et al.. (2013). The Social Security Benefits Formula and the Windfall Elimination Provision: An Equitable Approach to Addressing 'Windfall' Benefits. SSRN Electronic Journal. 173(2). 181–4.

12.

Mehltreter, Klaus, Joanne M. Sharpe, Michael Kessler, et al.. (2010). Fern Ecology. Cambridge University Press eBooks. 73 indexed citations

13.

Smith, Alan Р., et al.. (2009). SALVINIA MINIMA AND Sp OBLONGIFOLIA lSALVINIAOEAEr NEW TO CALIFORNIAc WITH NOTES ON THE Sp AURICULATA COMPLEX. Journal of the Botanical Research Institute of Texas. 3(2). 855–866. 1 indexed citations

14.

Haufler, Christopher H., et al.. (2003). Systematics of the Ant-Fern Genus Lecanopteris (Polypodiaceae): Testing Phylogenetic Hypotheses with DNA Sequences. Systematic Botany. 28(2). 217–227. 38 indexed citations

15.

Prussin, S.G., et al.. (2003). Signatures of special nuclear material: High-energy gamma rays followi ng fission. eScholarship (California Digital Library). 521. 2 indexed citations

16.

Schneider, Harald, et al.. (2003). Unraveling the phylogeny of polygrammoid ferns (Polypodiaceae and Grammitidaceae): exploring aspects of the diversification of epiphytic plants. Molecular Phylogenetics and Evolution. 31(3). 1041–1063. 172 indexed citations

17.

Smith, Alan Р., et al.. (2001). Metaxya lanosa, a Second Species in the Genus and Fern Family Metaxyaceae. Systematic Botany. 26(3). 480–486. 19 indexed citations

18.

Ponce, M. Mónica & Alan Р. Smith. (1998). SOBRE LA PRESENCIA DEL GÉNERO MARATTIA (MARATTIACEAE, PTERIDOPHYTA) EN LA ARGENTINA. Darwiniana nueva serie. 35. 179–182. 4 indexed citations

19.

Isaac, M. C. Perillo, et al.. (1996). Measurements of the Gamma-Ray Flux at the Sudbury Neutrino Observatory. APS. 1 indexed citations

20.

Smith, Alan Р., et al.. (1964). RADIATION FIELD INSIDE A THICK CONCRETE SHIELD FOR 6.2 -BeV INCIDENT PROTONS. eScholarship (California Digital Library). 1 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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