Alexander R. Schmidt

5.8k total citations · 1 hit paper
166 papers, 4.2k citations indexed

About

Alexander R. Schmidt is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Paleontology. According to data from OpenAlex, Alexander R. Schmidt has authored 166 papers receiving a total of 4.2k indexed citations (citations by other indexed papers that have themselves been cited), including 124 papers in Ecology, Evolution, Behavior and Systematics, 62 papers in Plant Science and 15 papers in Paleontology. Recurrent topics in Alexander R. Schmidt's work include Bryophyte Studies and Records (51 papers), Botany and Plant Ecology Studies (47 papers) and Fossil Insects in Amber (44 papers). Alexander R. Schmidt is often cited by papers focused on Bryophyte Studies and Records (51 papers), Botany and Plant Ecology Studies (47 papers) and Fossil Insects in Amber (44 papers). Alexander R. Schmidt collaborates with scholars based in Germany, United States and Finland. Alexander R. Schmidt's co-authors include Jochen Heinrichs, Kathrin Feldberg, Leyla J. Seyfullah, Jouko Rikkinen, Alfons Schäfer‐Verwimp, Heinrich Dörfelt, Harald Schneider, Vincent Perrichot, Guido Roghi and Christina Beimforde and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Alexander R. Schmidt

159 papers receiving 4.1k 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.

Extinction and dawn of the modern world in the Carnian (Late Triassic)

2020 156 citations Jacopo Dal Corso, Massimo Bernardi et al. Science Advances profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alexander R. Schmidt Germany	37	2.7k	1.3k	621	586	426	166	4.2k
Richard M. Bateman United Kingdom	46	4.7k 1.8×	2.5k 1.9×	165 0.3×	594 1.0×	803 1.9×	183	6.4k
Yan Fang China	28	1.0k 0.4×	358 0.3×	170 0.3×	652 1.1×	637 1.5×	142	2.8k
John R. Stewart United Kingdom	31	674 0.3×	326 0.2×	295 0.5×	1.1k 1.8×	1.4k 3.2×	96	4.2k
Weiming Wang China	28	522 0.2×	422 0.3×	363 0.6×	465 0.8×	110 0.3×	132	2.6k
Guido W. Grimm Sweden	37	1.8k 0.7×	943 0.7×	31 0.0×	379 0.6×	585 1.4×	77	3.1k
Haichun Zhang China	31	2.9k 1.1×	201 0.2×	417 0.7×	1.5k 2.5×	836 2.0×	295	4.2k
Zhuo Zhou China	22	506 0.2×	262 0.2×	125 0.2×	664 1.1×	153 0.4×	55	1.6k
Lee Belbin Australia	24	590 0.2×	450 0.3×	88 0.1×	102 0.2×	258 0.6×	52	3.4k
Peter J. de Lange New Zealand	28	1.4k 0.5×	1.2k 0.9×	49 0.1×	59 0.1×	221 0.5×	203	2.8k
Dong Ren China	37	7.8k 2.9×	425 0.3×	76 0.1×	2.5k 4.2×	2.4k 5.7×	717	8.7k

Countries citing papers authored by Alexander R. Schmidt

Since Specialization

Citations

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

Fields of papers citing papers by Alexander R. Schmidt

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Alexander R. Schmidt

This figure shows the co-authorship network connecting the top 25 collaborators of Alexander R. Schmidt. A scholar is included among the top collaborators of Alexander R. Schmidt 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 Alexander R. Schmidt. Alexander R. Schmidt 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

Marschall, Horst R., et al.. (2025). The effect of high-pressure metasomatism on the boron isotope signature of subducted oceanic crust in the Raspas Complex (Ecuador). Contributions to Mineralogy and Petrology. 180(3). 1 indexed citations

Schmidt, Alexander R., et al.. (2025). First record of Selaginella from Miocene amber. Fossil record. 28(1). 57–66.

Gerdes, Axel, et al.. (2024). Simultaneous Bulk‐Rock Elemental and Boron Isotope Ratio Measurement Using LA‐ICP‐MS on Silicate Micro‐Particulate Pellets. Geostandards and Geoanalytical Research. 48(4). 807–822. 3 indexed citations

Regalado, Ledis, Marc S. Appelhans, Anja Poehlein, Axel Himmelbach, & Alexander R. Schmidt. (2024). Plastome phylogenomics and new fossil evidence from Dominican amber shed light on the evolutionary history of the Neotropical fern genus Pecluma. American Journal of Botany. 111(10). e16410–e16410. 2 indexed citations

Feldberg, Kathrin, Lars Hedenäs, & Alexander R. Schmidt. (2023). The extant moss genus Leucobryum (Bryopsida: Leucobryaceae) from Miocene Zhangpu amber. Palaeoworld. 32(4). 582–591. 3 indexed citations

Schmidt, Alexander R. & Karsten Schweikert. (2021). Multiple structural breaks in cointegrating regressions: a model selection approach. Studies in Nonlinear Dynamics and Econometrics. 26(2). 219–254. 2 indexed citations

Corso, Jacopo Dal, Massimo Bernardi, Yadong Sun, et al.. (2020). Extinction and dawn of the modern world in the Carnian (Late Triassic). Science Advances. 6(38). 156 indexed citations breakdown →

Regalado, Ledis, et al.. (2019). Heinrichsia cheilanthoides gen. et sp. nov., a fossil fern in the family Pteridaceae (Polypodiales) from the Cretaceous amber forests of Myanmar. Journal of Systematics and Evolution. 57(4). 329–338. 13 indexed citations

Sadowski, Eva‐Maria, Leyla J. Seyfullah, Ledis Regalado, et al.. (2019). How diverse were ferns in the Baltic amber forest?. Journal of Systematics and Evolution. 57(4). 305–328. 10 indexed citations

10.

Kaasalainen, Ulla, Martin Kukwa, Jouko Rikkinen, & Alexander R. Schmidt. (2019). Crustose lichens with lichenicolous fungi from Paleogene amber. Scientific Reports. 9(1). 10360–10360. 5 indexed citations

11.

Beimforde, Christina, Hanna Tuovila, Alexander R. Schmidt, et al.. (2017). Chaenothecopsis schefflerae (Ascomycota: Mycocaliciales): a widespread fungus on semi‐hardened exudates of endemic New Zealand Araliaceae. New Zealand Journal of Botany. 55(4). 387–406. 8 indexed citations

12.

Kaasalainen, Ulla, Alexander R. Schmidt, & Jouko Rikkinen. (2017). Diversity and ecological adaptations in Palaeogene lichens. Nature Plants. 3(5). 17049–17049. 29 indexed citations

13.

Heinrichs, Jochen, Armin Scheben, Julia Bechteler, et al.. (2016). Crown Group Lejeuneaceae and Pleurocarpous Mosses in Early Eocene (Ypresian) Indian Amber. PLoS ONE. 11(5). e0156301–e0156301. 27 indexed citations

14.

Heinrichs, Jochen, Armin Scheben, Gaik Ee Lee, et al.. (2015). Molecular and Morphological Evidence Challenges the Records of the Extant Liverwort Ptilidium pulcherrimum in Eocene Baltic Amber. PLoS ONE. 10(11). e0140977–e0140977. 14 indexed citations

15.

Beimforde, Christina, Kathrin Feldberg, Stephan Nylinder, et al.. (2014). Estimating the Phanerozoic history of the Ascomycota lineages: Combining fossil and molecular data. Molecular Phylogenetics and Evolution. 78. 386–398. 226 indexed citations

16.

Tuovila, Hanna, et al.. (2012). Stuck in time – a new Chaenothecopsis species with proliferating ascomata from Cunninghamia resin and its fossil ancestors in European amber. Fungal Diversity. 58(1). 199–213. 29 indexed citations

17.

Sadowski, Eva‐Maria, Christina Beimforde, Matthias Gube, et al.. (2012). The anamorphic genus Monotosporella (Ascomycota) from Eocene amber and from modern Agathis resin. Fungal Biology. 116(10). 1099–1110. 19 indexed citations

18.

Kreier, Hans‐Peter, Kathrin Feldberg, Andrea Bombosch, et al.. (2010). Phylogeny of the leafy liverwort Ptilidium: Cryptic speciation and shared haplotypes between the Northern and Southern Hemispheres. Molecular Phylogenetics and Evolution. 57(3). 1260–1267. 55 indexed citations

19.

Halsey, Lewis G., et al.. (2007). How accurately can we estimate energetic costs in a marine top predator, the king penguin?. Zoology. 110(2). 81–92. 31 indexed citations

20.

Fahlman, Andreas, Lewis G. Halsey, P. J. Butler, et al.. (2006). Accounting for body condition improves allometric estimates of resting metabolic rates in fasting king penguins, Aptenodytes patagonicus. Polar Biology. 29(7). 609–614. 15 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.

Explore authors with similar magnitude of impact