Joshua R. Kohn

6.7k total citations · 1 hit paper
61 papers, 4.2k citations indexed

About

Joshua R. Kohn is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Molecular Biology. According to data from OpenAlex, Joshua R. Kohn has authored 61 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Ecology, Evolution, Behavior and Systematics, 37 papers in Plant Science and 24 papers in Molecular Biology. Recurrent topics in Joshua R. Kohn's work include Plant and animal studies (52 papers), Plant Reproductive Biology (21 papers) and Plant Parasitism and Resistance (19 papers). Joshua R. Kohn is often cited by papers focused on Plant and animal studies (52 papers), Plant Reproductive Biology (21 papers) and Plant Parasitism and Resistance (19 papers). Joshua R. Kohn collaborates with scholars based in United States, Canada and Belgium. Joshua R. Kohn's co-authors include Boris Igić, Russell Lande, Spencer C. H. Barrett, Adam D. Richman, David A. Holway, Keng‐Lou James Hung, Jennifer M. Kingston, Matthew A. Streisfeld, Matthias Albrecht and Lynn Bohs and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Joshua R. Kohn

60 papers receiving 4.1k citations

Hit Papers

1 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 worldwide importance of honey bees as pollinators in natural habitats

2018 509 citations Keng‐Lou James Hung, Jennifer M. Kingston et al. Proceedings of the Royal Society B Biological Sciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Joshua R. Kohn United States	37	3.3k	2.0k	2.0k	1.3k	824	61	4.2k
Scott A. Hodges United States	31	3.2k 1.0×	1.8k 0.9×	2.2k 1.1×	1.1k 0.8×	1.1k 1.4×	52	4.4k
Mario Vallejo‐Marín United Kingdom	36	3.2k 1.0×	1.4k 0.7×	2.5k 1.3×	1.3k 1.0×	1.2k 1.4×	97	4.3k
Jun Yokoyama Japan	30	2.0k 0.6×	1.0k 0.5×	1.2k 0.6×	697 0.5×	419 0.5×	154	3.1k
Francisco Perfectti Spain	33	1.8k 0.5×	794 0.4×	1.9k 0.9×	674 0.5×	957 1.2×	103	3.1k
Michael L. Arnold United States	39	2.5k 0.8×	1.3k 0.6×	1.9k 1.0×	2.5k 1.9×	1.1k 1.4×	76	5.0k
James D. Ackerman Puerto Rico	39	4.5k 1.4×	989 0.5×	2.7k 1.3×	533 0.4×	1.9k 2.4×	132	4.9k
Mark O. Johnston Canada	36	4.7k 1.4×	1.4k 0.7×	3.4k 1.7×	1.2k 0.9×	2.8k 3.4×	56	5.7k
Lynda F. Delph United States	52	5.3k 1.6×	2.3k 1.1×	3.2k 1.6×	2.0k 1.5×	3.0k 3.7×	133	7.1k
Leonie C. Moyle United States	30	1.5k 0.4×	1.1k 0.6×	1.3k 0.7×	1.7k 1.3×	583 0.7×	71	3.4k
Nadir Álvarez Switzerland	33	1.9k 0.6×	1.1k 0.6×	1.3k 0.6×	1.7k 1.3×	694 0.8×	128	3.9k

Countries citing papers authored by Joshua R. Kohn

Since Specialization

Citations

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

Fields of papers citing papers by Joshua R. Kohn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Joshua R. Kohn. 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 Joshua R. Kohn. The network helps show where Joshua R. Kohn may publish in the future.

Co-authorship network of co-authors of Joshua R. Kohn

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Kohn, Joshua R., et al.. (2025). Pollen exploitation by non‐native, feral honey bees: Potential consequences for interspecific competition. Insect Conservation and Diversity. 18(6). 1109–1119.

Nieh, James C., et al.. (2023). Three decades of “Africanized” honey bees in California. California Agriculture. 77(1). 15–20. 3 indexed citations

Kohn, Joshua R., et al.. (2023). Comparing levels of geitonogamous visitation by honey bees and other pollinators. Journal of Pollination Ecology. 35. 170–179. 1 indexed citations

Hung, Keng‐Lou James, Jennifer M. Kingston, Matthias Albrecht, David A. Holway, & Joshua R. Kohn. (2018). The worldwide importance of honey bees as pollinators in natural habitats. Proceedings of the Royal Society B Biological Sciences. 285(1870). 20172140–20172140. 509 indexed citations breakdown →

Henter, Heather J., et al.. (2016). Effects of beach replenishment on intertidal invertebrates: A 15-month, eight beach study.. Estuarine Coastal and Shelf Science. 175. 24–33. 38 indexed citations

Kono, Yoshiaki & Joshua R. Kohn. (2015). Range and Frequency of Africanized Honey Bees in California (USA). PLoS ONE. 10(9). e0137407–e0137407. 38 indexed citations

Paape, Timothy, Takashi Miyake, Naoki Takebayashi, Diana E. Wolf, & Joshua R. Kohn. (2011). Evolutionary Genetics of an S-Like Polymorphism in Papaveraceae with Putative Function in Self-Incompatibility. PLoS ONE. 6(8). e23635–e23635. 9 indexed citations

Paape, Timothy & Joshua R. Kohn. (2011). Differential strengths of selection on S-RNases from Physalis and Solanum(Solanaceae). BMC Evolutionary Biology. 11(1). 243–243. 6 indexed citations

Goldberg, Emma E., et al.. (2010). Species Selection Maintains Self-Incompatibility. Science. 330(6003). 493–495. 368 indexed citations

10.

Igić, Boris, Russell Lande, & Joshua R. Kohn. (2008). Loss of Self‐Incompatibility and Its Evolutionary Consequences. International Journal of Plant Sciences. 169(1). 93–104. 338 indexed citations

11.

Paape, Timothy, Boris Igić, Stacey D. Smith, et al.. (2008). A 15-Myr-Old Genetic Bottleneck. Molecular Biology and Evolution. 25(4). 655–663. 38 indexed citations

12.

Igić, Boris, et al.. (2007). Studies of self-incompatibility in wild tomatoes: I. S-allele diversity in Solanum chilense Dun. (Solanaceae). Heredity. 99(5). 553–561. 44 indexed citations

13.

Streisfeld, Matthew A. & Joshua R. Kohn. (2006). Environment and pollinator‐mediated selection on parapatric floral races of Mimulus aurantiacus. Journal of Evolutionary Biology. 20(1). 122–132. 117 indexed citations

14.

Igić, Boris, Lynn Bohs, & Joshua R. Kohn. (2003). Historical inferences from the self‐incompatibility locus. New Phytologist. 161(1). 97–105. 86 indexed citations

15.

Kohn, Joshua R., et al.. (2002). Hummingbird foraging position is altered by the touch-sensitive stigma of bush monkeyflower. Oecologia. 133(4). 551–558. 16 indexed citations

16.

Richman, Adam D., W. Broothaerts, & Joshua R. Kohn. (1997). Self‐incompatibility RNases from three plant families: homology or convergence?. American Journal of Botany. 84(7). 912–917. 45 indexed citations

17.

Richman, Adam D., Marcy K. Uyenoyama, & Joshua R. Kohn. (1996). S-allele diversity in a natural population of Physalis crassifolia (Solanaceae) (ground cherry) assessed by RT-PCR. Heredity. 76(5). 497–505. 45 indexed citations

18.

Richman, Adam D. & Joshua R. Kohn. (1996). Learning from rejection: the evolutionary biology of single-locus incompatibility. Trends in Ecology & Evolution. 11(12). 497–502. 61 indexed citations

19.

Kohn, Joshua R. & James E. Biardi. (1995). Outcrossing rates and inferred levels of inbreeding depression in gynodioecious Cucurbita foetidissima (Cucurbitaceae). Heredity. 75(1). 77–83. 55 indexed citations

20.

Kohn, Joshua R. & Brenda B. Casper. (1992). POLLEN‐MEDIATED GENE FLOW IN CUCURBITA FOETIDISSIMA (CUCURBITACEAE). American Journal of Botany. 79(1). 57–62. 28 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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