Irwin A. Ungar

7.1k total citations · 1 hit paper
119 papers, 5.0k citations indexed

About

Irwin A. Ungar is a scholar working on Plant Science, Ecology and Nature and Landscape Conservation. According to data from OpenAlex, Irwin A. Ungar has authored 119 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 101 papers in Plant Science, 35 papers in Ecology and 31 papers in Nature and Landscape Conservation. Recurrent topics in Irwin A. Ungar's work include Botany, Ecology, and Taxonomy Studies (39 papers), Seed Germination and Physiology (26 papers) and Ecology and Vegetation Dynamics Studies (24 papers). Irwin A. Ungar is often cited by papers focused on Botany, Ecology, and Taxonomy Studies (39 papers), Seed Germination and Physiology (26 papers) and Ecology and Vegetation Dynamics Studies (24 papers). Irwin A. Ungar collaborates with scholars based in United States, Pakistan and France. Irwin A. Ungar's co-authors include M. Ajmal Khan, Allan M. Showalter, M. A. Khan, M. Ajmal Khan, Carolyn H. Keiffer, M. Ajmal Khan, Todd P. Egan, O. T. Okusanya, Fan Hai and S. R. J. Woodell and has published in prestigious journals such as Ecology, Oecologia and Journal of Applied Ecology.

In The Last Decade

Irwin A. Ungar

118 papers receiving 4.2k citations

Hit Papers

Halophyte seed germination 1978 2026 1994 2010 1978 100 200 300
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. Halophyte seed germination
    1978 300 citations Irwin A. Ungar profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Irwin A. Ungar United States 42 4.0k 1.2k 1.1k 919 525 119 5.0k
Thomas A. Day United States 39 2.2k 0.6× 1.4k 1.2× 1.4k 1.2× 391 0.4× 784 1.5× 77 4.2k
Inderjit Inderjit India 33 3.2k 0.8× 521 0.4× 923 0.8× 1.1k 1.2× 279 0.5× 78 4.3k
J. S. Pate Australia 45 4.7k 1.2× 454 0.4× 1.1k 1.0× 599 0.7× 900 1.7× 106 6.1k
W. H. O. Ernst Netherlands 34 2.8k 0.7× 685 0.6× 731 0.7× 743 0.8× 277 0.5× 105 4.2k
H. Greenway Australia 39 6.8k 1.7× 853 0.7× 503 0.4× 301 0.3× 1.0k 2.0× 120 7.6k
Yitzchak Gutterman Israel 36 2.9k 0.7× 602 0.5× 1.4k 1.2× 1.1k 1.2× 545 1.0× 137 4.1k
Marianne Popp Austria 34 1.9k 0.5× 774 0.7× 876 0.8× 438 0.5× 470 0.9× 75 3.2k
M.E. Figueroa Spain 33 2.0k 0.5× 1.1k 0.9× 416 0.4× 428 0.5× 259 0.5× 87 3.1k
Catherine Fernandez France 33 1.6k 0.4× 830 0.7× 594 0.5× 944 1.0× 357 0.7× 123 3.8k
Luís González Spain 29 2.0k 0.5× 537 0.5× 573 0.5× 882 1.0× 194 0.4× 104 3.2k

Countries citing papers authored by Irwin A. Ungar

Since Specialization
Citations

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

Fields of papers citing papers by Irwin A. Ungar

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Irwin A. Ungar. 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 Irwin A. Ungar. The network helps show where Irwin A. Ungar may publish in the future.

Co-authorship network of co-authors of Irwin A. Ungar

This figure shows the co-authorship network connecting the top 25 collaborators of Irwin A. Ungar. A scholar is included among the top collaborators of Irwin A. Ungar 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 Irwin A. Ungar. Irwin A. Ungar 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.
Ungar, Irwin A., et al.. (2003). Effect of Temperature Regimes on Germination of Dimorphic Seeds of Atriplex prostrata. Biologia Plantarum. 46(2). 269–272. 9 indexed citations
2.
Keiffer, Carolyn H. & Irwin A. Ungar. (2002). Germination and establishment of halophytes on brine‐affected soils. Journal of Applied Ecology. 39(3). 402–415. 53 indexed citations
3.
Khan, M. Ajmal & Irwin A. Ungar. (2001). Seed Germination of Triglochin Maritima as Influenced by Salinity and Dormancy Relieving Compounds. Biologia Plantarum. 44(2). 301–303. 21 indexed citations
4.
Dewald, Howard D., et al.. (2001). The Effect of Different Salts of Sodium and Potassium on the Accumulation of Glycinebetaine in Atriplex Prostrata. Biologia Plantarum. 44(4). 595–597. 10 indexed citations
5.
Khan, M. A. & Irwin A. Ungar. (2000). Alleviation of innate and salinity-induced dormancy in Atriplex griffithii Moq. var. stocksii Boiss.. Seed Science and Technology. 28(1). 29–37. 23 indexed citations
6.
Egan, Todd P. & Irwin A. Ungar. (2000). Mortality of the Salt Marsh Species Salicornia Europaea and Atriplex Prostrata (Chenopodiaceae) in Response to Inundation. The Ohio Journal of Science. 100(2). 24–27. 14 indexed citations
7.
Khan, M. Ajmal & Irwin A. Ungar. (1998). Germination of the salt tolerant shrub Suaeda fruticosa from Pakistan : salinity and temperature responses. Seed Science and Technology. 26(3). 657–667. 90 indexed citations
8.
Khan, M. Ajmal, Irwin A. Ungar, Allan M. Showalter, & Howard D. Dewald. (1998). NaCl‐induced accumulation of glycinebetaine in four subtropical halophytes from Pakistan. Physiologia Plantarum. 102(4). 487–492. 43 indexed citations
9.
Ungar, Irwin A., et al.. (1997). Growth and Survival of Polygonum aviculare L. at a Brine-contaminated Site in Southeastern Ohio. The American Midland Naturalist. 138(1). 140–140. 5 indexed citations
10.
Ungar, Irwin A.. (1996). Effect of Salinity on Seed Germination, Growth, and Ion Accumulation of Atriplex patula (Chenopodiaceae). American Journal of Botany. 83(5). 604–604. 94 indexed citations
11.
Ungar, Irwin A.. (1992). The Effect of Intraspecific Competition on Growth, Reproduction, and Survival of the Halophyte Spergularia marina. International Journal of Plant Sciences. 153(3, Part 1). 421–424. 18 indexed citations
12.
Ungar, Irwin A., et al.. (1990). The Effect of Salinity on Seed Germination and Seedling Growth of Echinochloa crusgalli. The Ohio Journal of Science. 90(1). 13–15. 21 indexed citations
13.
Ungar, Irwin A., et al.. (1984). Seed Polymorphism and Germination Responses to Salinity Stress in Atriplex triangularis Willd.. Botanical Gazette. 145(4). 487–494. 66 indexed citations
14.
Ungar, Irwin A., et al.. (1984). THE EFFECT OF SEED DIMORPHISM ON THE GERMINATION AND SURVIVAL OF SALICORNIA EUROPAEA L. POPULATIONS. American Journal of Botany. 71(4). 542–549. 78 indexed citations
15.
Riehl, Terrence E. & Irwin A. Ungar. (1982). Growth and ion accumulation in Salicornia europaea under saline field conditions. Oecologia. 54(2). 193–199. 37 indexed citations
16.
Ungar, Irwin A., et al.. (1980). Elemental concentrations in plant tissues as influenced by low pH soils. Plant and Soil. 55(1). 157–161. 15 indexed citations
17.
Ungar, Irwin A.. (1979). Seed Dimorphism in Salicornia europaea L.. Botanical Gazette. 140(1). 102–108. 47 indexed citations
18.
Ungar, Irwin A.. (1977). The Relationship between Soil Water Potential and Plant Water Potential in Two Inland Halophytes Under Field Conditions. Botanical Gazette. 138(4). 498–501. 7 indexed citations
19.
Ungar, Irwin A., et al.. (1970). The influence of edaphic factors on Betula nigra L. distribution in southeastern Ohio.. Castanea. 35(2). 99–117. 7 indexed citations
20.
Ungar, Irwin A.. (1964). A Phytosociological Analysis of the Big Salt Marsh, Stafford County, Kansas. Transactions of the Kansas Academy of Science. 67(1). 50–50. 3 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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