Karen A. Grant

1.7k total citations · 1 hit paper
24 papers, 1.4k citations indexed

About

Karen A. Grant is a scholar working on Ecology, Evolution, Behavior and Systematics, Plant Science and Food Science. According to data from OpenAlex, Karen A. Grant has authored 24 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Ecology, Evolution, Behavior and Systematics, 19 papers in Plant Science and 10 papers in Food Science. Recurrent topics in Karen A. Grant's work include Botany, Ecology, and Taxonomy Studies (14 papers), Plant and animal studies (12 papers) and Botanical Research and Applications (10 papers). Karen A. Grant is often cited by papers focused on Botany, Ecology, and Taxonomy Studies (14 papers), Plant and animal studies (12 papers) and Botanical Research and Applications (10 papers). Karen A. Grant collaborates with scholars based in United States. Karen A. Grant's co-authors include Verne Grant, Áskell Löve, J. B. Free, Herbert G. Baker, Lincoln Constance, Paul D. Hurd and Peter H. Raven and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The American Naturalist and Evolution.

In The Last Decade

Karen A. Grant

24 papers receiving 1.2k citations

Hit Papers

align trajectories sort by overperformance

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.

Flower Pollination in the Phlox Family

1966 507 citations Áskell Löve, Verne Grant 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
Karen A. Grant United States	18	1.3k	956	500	295	219	24	1.4k
Steven B. Broyles United States	19	1.2k 0.9×	737 0.8×	561 1.1×	370 1.3×	48 0.2×	37	1.3k
Pedro L. Ortiz Spain	23	1.2k 0.9×	911 1.0×	410 0.8×	425 1.4×	103 0.5×	91	1.6k
Susan R. Kephart United States	18	990 0.8×	859 0.9×	423 0.8×	391 1.3×	75 0.3×	33	1.5k
R John Little Australia	4	1.7k 1.3×	1.1k 1.1×	602 1.2×	424 1.4×	61 0.3×	7	1.8k
Eduardo Leite Borba Brazil	26	1.5k 1.1×	796 0.8×	364 0.7×	523 1.8×	161 0.7×	79	1.7k
Paul R. Neal United States	15	814 0.6×	615 0.6×	372 0.7×	248 0.8×	26 0.1×	20	959
Kim E. Steiner South Africa	25	2.1k 1.6×	1.5k 1.5×	730 1.5×	644 2.2×	44 0.2×	58	2.3k
Harold G. Hills United States	11	1.3k 1.0×	540 0.6×	136 0.3×	683 2.3×	79 0.4×	12	1.4k
Boris O. Schlumpberger Germany	13	820 0.6×	487 0.5×	222 0.4×	160 0.5×	278 1.3×	20	960
Linda Newstrom New Zealand	8	763 0.6×	402 0.4×	295 0.6×	87 0.3×	65 0.3×	10	940

Countries citing papers authored by Karen A. Grant

Since Specialization

Citations

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

Fields of papers citing papers by Karen A. Grant

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karen A. Grant

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

Grant, Verne & Karen A. Grant. (1983). Hawkmoth pollination of Mirabilis longiflora (Nyctaginaceae). Proceedings of the National Academy of Sciences. 80(5). 1298–1299. 42 indexed citations

Grant, Verne & Karen A. Grant. (1982). Natural Pentaploids in the Opuntia lindheimeri-phaeacantha Group in Texas. Botanical Gazette. 143(1). 117–120. 6 indexed citations

Grant, Verne & Karen A. Grant. (1980). Clonal Microspecies of Hybrid Origin in the Opuntia lindheimeri Group. Botanical Gazette. 141(1). 101–106. 21 indexed citations

Grant, Verne & Karen A. Grant. (1979). Pollination ofOpunta basilaris andO. littoralis. Plant Systematics and Evolution. 132(4). 321–325. 25 indexed citations

Grant, Verne & Karen A. Grant. (1979). Systematics of the Opuntia phaeacantha Group in Texas. Botanical Gazette. 140(2). 199–207. 22 indexed citations

Grant, Verne & Karen A. Grant. (1979). Hybridization and Variation in the Opuntia phaeacantha Group in Central Texas. Botanical Gazette. 140(2). 208–215. 22 indexed citations

Grant, Verne & Karen A. Grant. (1979). The pollination spectrum in the southwestern American cactus flora. Plant Systematics and Evolution. 133(1-2). 29–37. 48 indexed citations

Grant, Verne & Karen A. Grant. (1979). Pollination ofEchinocereus fasciculatus andFerocactus wislizenii. Plant Systematics and Evolution. 132(1-2). 85–90. 25 indexed citations

Grant, Verne, Karen A. Grant, & Paul D. Hurd. (1979). Pollination ofOpuntia lindheimeri and related species. Plant Systematics and Evolution. 132(4). 313–320. 51 indexed citations

10.

Grant, Verne & Karen A. Grant. (1971). Natural Hybridization between the Cholla Cactus Species Opuntia spinosior and Opuntia versicolor. Proceedings of the National Academy of Sciences. 68(9). 1993–1995. 17 indexed citations

11.

Grant, Verne & Karen A. Grant. (1971). Dynamics of Clonal Microspecies in Cholla Cactus. Evolution. 25(1). 144–144. 5 indexed citations

12.

Baker, Herbert G., Karen A. Grant, & Verne Grant. (1970). Hummingbirds and their Flowers.. Journal of Ecology. 58(1). 318–318. 115 indexed citations

13.

Grant, Verne & Karen A. Grant. (1970). A Hummingbird-Pollinated Species of Boraginaceae in the Arizona Flora. Proceedings of the National Academy of Sciences. 66(3). 917–919. 12 indexed citations

14.

Löve, Áskell, Karen A. Grant, & Verne Grant. (1969). Hummingbird Pollination. Taxon. 18(2). 234–234. 1 indexed citations

15.

Constance, Lincoln, Karen A. Grant, & Verne Grant. (1969). Hummingbirds and Their Flowers.. Bulletin of the Torrey Botanical Club. 96(1). 120–120. 113 indexed citations

16.

Free, J. B., Karen A. Grant, & Verne Grant. (1969). Hummingbirds and Their Flowers.. Journal of Applied Ecology. 6(3). 513–513. 190 indexed citations

17.

Grant, Karen A. & Verne Grant. (1967). EFFECTS OF HUMMINGBIRD MIGRATION ON PLANT SPECIATION IN THE CALIFORNIA FLORA. Evolution. 21(3). 457–465. 24 indexed citations

18.

Grant, Karen A. & Verne Grant. (1967). Effects of Hummingbird Migration on Plant Speciation in the California Flora. Evolution. 21(3). 457–457. 11 indexed citations

19.

Löve, Áskell, Verne Grant, & Karen A. Grant. (1966). Flower Pollination in the Phlox Family. Taxon. 15(7). 277–277. 507 indexed citations breakdown →

20.

Grant, Karen A. & Verne Grant. (1964). MECHANICAL ISOLATION OFSALVIA APIANAANDSALVIA MELLIFERA(LABIATAE). Evolution. 18(2). 196–212. 25 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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