Petra Korall

3.2k total citations · 1 hit paper
26 papers, 2.4k citations indexed

About

Petra Korall is a scholar working on Ecology, Evolution, Behavior and Systematics, Molecular Biology and Cell Biology. According to data from OpenAlex, Petra Korall has authored 26 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Ecology, Evolution, Behavior and Systematics, 13 papers in Molecular Biology and 3 papers in Cell Biology. Recurrent topics in Petra Korall's work include Fern and Epiphyte Biology (24 papers), Plant Diversity and Evolution (23 papers) and Plant and Fungal Species Descriptions (13 papers). Petra Korall is often cited by papers focused on Fern and Epiphyte Biology (24 papers), Plant Diversity and Evolution (23 papers) and Plant and Fungal Species Descriptions (13 papers). Petra Korall collaborates with scholars based in Sweden, United States and United Kingdom. Petra Korall's co-authors include Kathleen M. Pryer, Eric Schuettpelz, Harald Schneider, Alan Р. Smith, Paul G. Wolf, Paul Kenrick, Stina Weststrand, David S. Conant, Jordan S. Metzgar and Carl J. Rothfels and has published in prestigious journals such as PLoS ONE, Evolution and Systematic Biology.

In The Last Decade

Petra Korall

24 papers receiving 2.3k 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. Taxon profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Petra Korall Sweden	16	2.2k	662	464	191	188	26	2.4k
Raymond Cranfill United States	9	1.9k 0.9×	587 0.9×	538 1.2×	240 1.3×	149 0.8×	18	2.1k
Rafaela Campostrini Forzza Brazil	21	1.3k 0.6×	320 0.5×	419 0.9×	240 1.3×	127 0.7×	107	1.6k
Bruce K. Holst United States	11	1.3k 0.6×	410 0.6×	442 1.0×	272 1.4×	74 0.4×	41	1.7k
Barbara G. Briggs Australia	19	1.6k 0.8×	1.0k 1.6×	821 1.8×	242 1.3×	79 0.4×	71	2.0k
Germinal Rouhan France	23	1.2k 0.5×	262 0.4×	283 0.6×	130 0.7×	100 0.5×	86	1.4k
Phillip Cribb United Kingdom	24	2.1k 0.9×	1.3k 2.0×	920 2.0×	377 2.0×	134 0.7×	171	2.5k
Alexei A. Oskolski South Africa	16	637 0.3×	504 0.8×	413 0.9×	138 0.7×	144 0.8×	100	1.1k
Yin‐Long Qiu United States	21	1.5k 0.7×	1.1k 1.7×	716 1.5×	104 0.5×	67 0.4×	31	1.9k
Dion S. Devey United Kingdom	19	971 0.4×	692 1.0×	491 1.1×	157 0.8×	79 0.4×	27	1.2k
Kunio Iwatsuki Japan	24	1.6k 0.7×	669 1.0×	542 1.2×	185 1.0×	186 1.0×	88	2.0k

Countries citing papers authored by Petra Korall

Since Specialization

Citations

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

Fields of papers citing papers by Petra Korall

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Petra Korall. 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 Petra Korall. The network helps show where Petra Korall may publish in the future.

Co-authorship network of co-authors of Petra Korall

This figure shows the co-authorship network connecting the top 25 collaborators of Petra Korall. A scholar is included among the top collaborators of Petra Korall 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 Petra Korall. Petra Korall 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

Korall, Petra, et al.. (2024). Rebuttal to “(2943) Proposal to conserve Selaginella, nom. cons., (Selaginellaceae) with a conserved type”: An unwarranted and disruptive idea. Taxon. 73(2). 573–585.

Schmidt, Alexander R., Petra Korall, Michael Krings, et al.. (2022). Selaginella in Cretaceous amber from Myanmar. Willdenowia - Annals of the Botanic Garden and Botanical Museum Berlin-Dahlem. 52(2). 10 indexed citations

Korall, Petra, et al.. (2019). Phylogeny of the Neotropical legume genera Zygia and Marmaroxylon and close relatives. Taxon. 68(4). 661–672. 12 indexed citations

Korall, Petra, et al.. (2018). (2594) Proposal to conserve Selaginella nom. cons. against the additional name Didiclis (Selaginellaceae). Taxon. 67(2). 442–442. 1 indexed citations

Weststrand, Stina & Petra Korall. (2016). Phylogeny of Selaginellaceae: There is value in morphology after all!. American Journal of Botany. 103(12). 2136–2159. 70 indexed citations

Weststrand, Stina & Petra Korall. (2016). A subgeneric classification of Selaginella (Selaginellaceae). American Journal of Botany. 103(12). 2160–2169. 63 indexed citations

Smith, Alan Р., Stina Weststrand, & Petra Korall. (2016). Selaginella pectinataResurrected — the Correct Name for an Unusual Endemic Spike Moss from Madagascar. American Fern Journal. 106(2). 131–134. 3 indexed citations

Pryer, Kathleen M., et al.. (2015). Origins of the Endemic Scaly Tree Ferns on the Galápagos and Cocos Islands. International Journal of Plant Sciences. 176(9). 869–879. 6 indexed citations

Larsson, Anders, Michael D. Windham, & Petra Korall. (2014). Phylogeny of Woodsia (Woodsiaceae): recent speciation through polyploidization is common in old diploid stock..

10.

Korall, Petra & Kathleen M. Pryer. (2013). Global biogeography of scaly tree ferns (Cyatheaceae): evidence for Gondwanan vicariance and limited transoceanic dispersal. Journal of Biogeography. 41(2). 402–413. 83 indexed citations

11.

Korall, Petra, Eric Schuettpelz, & Kathleen M. Pryer. (2010). ABRUPT DECELERATION OF MOLECULAR EVOLUTION LINKED TO THE ORIGIN OF ARBORESCENCE IN FERNS. Evolution. 64(9). 2786–2792. 37 indexed citations

12.

Rydin, Catarina & Petra Korall. (2009). Evolutionary Relationships inEphedra(Gnetales), with Implications for Seed Plant Phylogeny. International Journal of Plant Sciences. 170(8). 1031–1043. 47 indexed citations

13.

Korall, Petra, David S. Conant, Jordan S. Metzgar, Harald Schneider, & Kathleen M. Pryer. (2007). A molecular phylogeny of scaly tree ferns (Cyatheaceae). American Journal of Botany. 94(5). 873–886. 100 indexed citations

14.

Korall, Petra & Wilson A. Taylor. (2006). Megaspore morphology in the Selaginellaceae in a phylogenetic context: A study of the megaspore surface and wall structure using scanning electron microscopy. Grana. 45(1). 22–60. 46 indexed citations

15.

Korall, Petra, Kathleen M. Pryer, Jordan S. Metzgar, Harald Schneider, & David S. Conant. (2006). Tree ferns: Monophyletic groups and their relationships as revealed by four protein-coding plastid loci. Molecular Phylogenetics and Evolution. 39(3). 830–845. 113 indexed citations

16.

Korall, Petra, David S. Conant, Harald Schneider, et al.. (2006). On the Phylogenetic Position of Cystodium: It's Not a Tree Fern – It's a Polypod!. American Fern Journal. 96(2). 45–53. 19 indexed citations

17.

Smith, Alan Р., Kathleen M. Pryer, Eric Schuettpelz, et al.. (2006). A classification for extant ferns. Taxon. 55(3). 705–731. 1263 indexed citations breakdown →

18.

Korall, Petra & Paul Kenrick. (2003). The phylogenetic history of Selaginellaceae based on DNA sequences from the plastid and nucleus: extreme substitution rates and rate heterogeneity. Molecular Phylogenetics and Evolution. 31(3). 852–864. 66 indexed citations

19.

Korall, Petra. (2003). Phylogeny of Selaginellaceae. 2 indexed citations

20.

Korall, Petra & Paul Kenrick. (2002). Phylogenetic relationships in Selaginellaceae based on RBCL sequences. American Journal of Botany. 89(3). 506–517. 83 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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