Bruce D. Ryan

1.5k total citations · 1 hit paper
55 papers, 1.3k citations indexed

About

Bruce D. Ryan is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Geophysics. According to data from OpenAlex, Bruce D. Ryan has authored 55 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Ecology, Evolution, Behavior and Systematics, 24 papers in Plant Science and 22 papers in Geophysics. Recurrent topics in Bruce D. Ryan's work include Lichen and fungal ecology (27 papers), Geological and Geochemical Analysis (22 papers) and Botany, Ecology, and Taxonomy Studies (14 papers). Bruce D. Ryan is often cited by papers focused on Lichen and fungal ecology (27 papers), Geological and Geochemical Analysis (22 papers) and Botany, Ecology, and Taxonomy Studies (14 papers). Bruce D. Ryan collaborates with scholars based in Canada, United States and United Kingdom. Bruce D. Ryan's co-authors include Thomas H. Nash, Frank Bungartz, Corinna Gries, Richard J. Wardle, Andrew Kerr, Charles F. Gower, Sebastian Tappe, George A. Jenner, B A Kjarsgaard and Stephen Foley and has published in prestigious journals such as Nature, New Phytologist and Precambrian Research.

In The Last Decade

Bruce D. Ryan

52 papers receiving 1.1k citations

Hit Papers

Lichen Flora of the Greater Sonoran Desert Region 2002 2026 2010 2018 2002 100 200 300 400 500
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. Lichen Flora of the Greater Sonoran Desert Region
    2002 506 citations Thomas H. Nash, Bruce D. Ryan et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Bruce D. Ryan Canada 17 675 564 523 271 186 55 1.3k
Benjamin Bomfleur Germany 22 1.1k 1.6× 205 0.4× 141 0.3× 29 0.1× 15 0.1× 81 1.4k
Bernard Lugardon France 15 766 1.1× 149 0.3× 17 0.0× 36 0.1× 90 0.5× 28 990
Peter Osterloff United Kingdom 9 286 0.4× 205 0.4× 84 0.2× 41 0.2× 9 0.0× 20 770
Ge Sun China 21 1.2k 1.8× 280 0.5× 158 0.3× 28 0.1× 12 0.1× 70 2.1k
Claudia V. Rubinstein Argentina 20 319 0.5× 117 0.2× 208 0.4× 53 0.2× 11 0.1× 70 1.2k
Zbynĕk Šimůnek Czechia 16 475 0.7× 193 0.3× 121 0.2× 36 0.1× 5 0.0× 66 846
Elżbieta Worobiec Poland 14 220 0.3× 196 0.3× 99 0.2× 8 0.0× 20 0.1× 57 511
S. Ott Germany 25 1.3k 2.0× 652 1.2× 26 0.0× 26 0.1× 138 0.7× 71 1.9k
Josef Pšenička Czechia 17 632 0.9× 221 0.4× 67 0.1× 25 0.1× 7 0.0× 79 875

Countries citing papers authored by Bruce D. Ryan

Since Specialization
Citations

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

Fields of papers citing papers by Bruce D. Ryan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Bruce D. Ryan. 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 Bruce D. Ryan. The network helps show where Bruce D. Ryan may publish in the future.

Co-authorship network of co-authors of Bruce D. Ryan

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

All Works

20 of 20 papers shown
1.
Ryan, Bruce D.. (2023). The Lewisian: Britain’s Oldest Rocks. Geoscience Canada. 50(1). 9–15.
2.
Tappe, Sebastian, George A. Jenner, Stephen Foley, et al.. (2004). Torngat ultramafic lamprophyres and their relation to the North Atlantic Alkaline Province. Lithos. 76(1-4). 491–518. 102 indexed citations
3.
Vanderzalm, Joanne, et al.. (2003). Impact of Seasonal Biomass Burning on Air Quality in the 'Top End' of Regional Northern Australia. Ghent University Academic Bibliography (Ghent University). 37(3). 28–34. 11 indexed citations
4.
Hafellner, Josef, Dagmar Triebel, Bruce D. Ryan, & Thomas H. Nash. (2002). On lichenicolous fungi from North America. II. Mycotaxon. 84. 293–329. 10 indexed citations
5.
6.
Ryan, Bruce D.. (2001). A PROVISIONAL SUBDIVISION OF THE NAIN PLUTONIC SUITE IN ITS TYPE-AREA, NAIN, LABRADOR (NTS MAP AREA 14C/12). 2 indexed citations
7.
Link, Steven O., et al.. (2000). Lichens and mosses on shrub-steppe soils in southeastern Washington.. Northwest Science. 74(1). 50–56. 10 indexed citations
8.
Martin, Peter, et al.. (2000). Particulate Air Quality in Regional Northwest Australia and Southeast Asia. 34(1). 29–34. 3 indexed citations
9.
Matthes, Uta, Bruce D. Ryan, & Douglas W. Larson. (2000). Community structure of epilithic lichens on the cliffs of the Niagara Escarpment, Ontario, Canada. Plant Ecology. 148(2). 233–244. 24 indexed citations
10.
11.
Czeczuga, B., Bruce D. Ryan, Richard W. Spjut, et al.. (1997). Carotenoids in lichens from the United States of America and Mexico. Feddes Repertorium. 108(5-6). 401–417. 5 indexed citations
12.
Ryan, Bruce D.. (1997). The 1997 Howard Street Robinson Lecture: The Mesoproterozoic Nain Plutonic Suite in Eastern Canada, and the Setting of the Voisey's Bay Ni-Cu-Co Sulphide Deposit. Geoscience Canada. 24(4). 4 indexed citations
13.
14.
Ryan, Bruce D. & Thomas H. Nash. (1993). Lecanora Section Placodium (Lichenized Ascomycotina) in North America: New Taxa in the L. garovaglii Group. The Bryologist. 96(3). 288–288. 10 indexed citations
15.
16.
Palmer, F., James T. Staley, & Bruce D. Ryan. (1990). Ecophysiology of microcolonial fungi and lichens on rocks in northeastern Oregon. New Phytologist. 116(4). 613–620. 18 indexed citations
17.
Wardle, Richard J., Bruce D. Ryan, & I F Ermanovics. (1990). The eastern Churchill Province, Torngat and New Québec orogens: An overview. 17(4). 26 indexed citations
18.
19.
Ryan, Bruce D.. (1985). New records of lichens from Washington State. Evansia. 2(3). 33–35.
20.
Ryan, Bruce D.. (1985). Lichens of Chowder Ridge, Mt. Baker, Washington. Research Exchange (Washington State University). 4 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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