P. H. Gregory

5.3k total citations · 1 hit paper
61 papers, 3.6k citations indexed

About

P. H. Gregory is a scholar working on Health, Toxicology and Mutagenesis, Ecology, Evolution, Behavior and Systematics and Plant Science. According to data from OpenAlex, P. H. Gregory has authored 61 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Health, Toxicology and Mutagenesis, 17 papers in Ecology, Evolution, Behavior and Systematics and 17 papers in Plant Science. Recurrent topics in P. H. Gregory's work include Indoor Air Quality and Microbial Exposure (22 papers), Allergic Rhinitis and Sensitization (16 papers) and Lichen and fungal ecology (15 papers). P. H. Gregory is often cited by papers focused on Indoor Air Quality and Microbial Exposure (22 papers), Allergic Rhinitis and Sensitization (16 papers) and Lichen and fungal ecology (15 papers). P. H. Gregory collaborates with scholars based in United States, United Kingdom and South Africa. P. H. Gregory's co-authors include C. L. Kramer, M. E. Lacey, J. M. Hirst, G. N. Festenstein, F. A. Skinner, J. Pepys, P. A. Jenkins, Maureen E. Lacey, O. J. Stedman and E. J. Guthrie and has published in prestigious journals such as Nature, The Lancet and Annual Review of Phytopathology.

In The Last Decade

P. H. Gregory

58 papers receiving 3.0k citations

Hit Papers

The Microbiology of the Atmosphere 1974 2026 1991 2008 1974 200 400 600
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. The Microbiology of the Atmosphere
    1974 728 citations P. H. Gregory et al. Mycologia profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
P. H. Gregory United States 30 1.4k 997 878 857 756 61 3.6k
Estelle Levetin United States 28 479 0.3× 1.4k 1.4× 757 0.9× 1.3k 1.5× 217 0.3× 106 2.6k
Frits Th. M. Spieksma Netherlands 35 666 0.5× 1.2k 1.2× 1.6k 1.8× 3.0k 3.5× 66 0.1× 75 3.9k
Jean Emberlin United Kingdom 36 920 0.7× 1.3k 1.3× 1.5k 1.7× 2.5k 2.9× 93 0.1× 78 3.4k
Rachel I. Adams United States 26 729 0.5× 1.3k 1.3× 302 0.3× 130 0.2× 295 0.4× 45 3.4k
Jordina Belmonte Spain 31 583 0.4× 1.1k 1.1× 955 1.1× 1.4k 1.6× 105 0.1× 98 2.6k
Naomichi Yamamoto South Korea 24 274 0.2× 1.8k 1.8× 161 0.2× 245 0.3× 212 0.3× 90 2.7k
Catherine H. Pashley United Kingdom 27 648 0.5× 556 0.6× 327 0.4× 762 0.9× 205 0.3× 53 2.8k
M. Thibaudon France 28 469 0.3× 1.1k 1.1× 1.1k 1.3× 2.2k 2.5× 90 0.1× 143 2.9k
Robert M. Bowers United States 26 619 0.4× 1.1k 1.1× 224 0.3× 80 0.1× 228 0.3× 46 3.4k
Linda D. Stetzenbach United States 22 248 0.2× 878 0.9× 59 0.1× 72 0.1× 99 0.1× 41 2.1k

Countries citing papers authored by P. H. Gregory

Since Specialization
Citations

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

Fields of papers citing papers by P. H. Gregory

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. H. Gregory. 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 P. H. Gregory. The network helps show where P. H. Gregory may publish in the future.

Co-authorship network of co-authors of P. H. Gregory

This figure shows the co-authorship network connecting the top 25 collaborators of P. H. Gregory. A scholar is included among the top collaborators of P. H. Gregory 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 P. H. Gregory. P. H. Gregory 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.
Pepys, J., et al.. (1990). Farmer's Lung: Thermophilic Actinomycetes as a Source of "Farmer's Lung Hay" Antigen. Allergy and Asthma Proceedings. 11(2). 101–102. 24 indexed citations
2.
Gregory, P. H.. (1982). Fairy rings; free and tethered. Bulletin of the British Mycological Society. 16(2). 161–163. 25 indexed citations
3.
Gregory, P. H.. (1982). Plant Pathology , E. C. Large, and phytopathometry. Plant Pathology. 31(1). 7–8. 2 indexed citations
4.
Lacey, Jack H. & P. H. Gregory. (1980). The ecological significance of microbial dispersal systems. Rothamsted Repository (Rothamsted Repository). 1 indexed citations
5.
Gregory, P. H. & J. Kranz. (1976). Epidemics of Plant Disease: Mathematical Analysis and Modelling. Mycologia. 68(1). 219–219. 17 indexed citations
6.
Gregory, P. H.. (1974). Phytophthora disease of cocoa. Longman eBooks. 55 indexed citations
7.
Gregory, P. H. & Maureen E. Lacey. (1964). The discovery of Pithomyces chartarum in Britain. Transactions of the British Mycological Society. 47(1). 25–30. 21 indexed citations
8.
Gregory, P. H. & Maureen E. Lacey. (1963). Liberation of spores from mouldy hay. Transactions of the British Mycological Society. 46(1). 73–80. 34 indexed citations
9.
Pady, S. M. & P. H. Gregory. (1963). Numbers and viability of airborne hyphal fragments in England. Transactions of the British Mycological Society. 46(4). 609–IN20. 24 indexed citations
10.
Gregory, P. H. & M. E. Lacey. (1963). Mycological Examination of Dust from Mouldy Hay Associated with Farmer's Lung Disease. Journal of General Microbiology. 30(1). 75–88. 134 indexed citations
11.
Lacey, Maureen E. & P. H. Gregory. (1962). Occurrence in Britain of the Fungus causing Facial Eczema in Sheep. Nature. 193(4810). 85–85. 15 indexed citations
12.
Gregory, P. H. & O. J. Stedman. (1958). Spore dispersal in Ophiobolus graminis and other fungi of cereal foot rots. Transactions of the British Mycological Society. 41(4). 449–456. 37 indexed citations
13.
Gregory, P. H., et al.. (1958). Air spora of an estuary. Transactions of the British Mycological Society. 41(2). 145–156. 42 indexed citations
14.
Gregory, P. H. & J. M. Hirst. (1957). The Summer Air-Spora at Rothamsted in 1952. Journal of General Microbiology. 17(1). 135–152. 150 indexed citations
15.
Gregory, P. H., et al.. (1955). Occurrence of the Alga Gloeocapsa in the Air. Nature. 176(4496). 1270–1270. 28 indexed citations
16.
Gregory, P. H.. (1954). The construction and use of a portable volumetric spore trap. Transactions of the British Mycological Society. 37(4). 390–404. 42 indexed citations
17.
Gregory, P. H., et al.. (1953). CONCENTRATIONS OF BASIDIOSPORES OF THE DRY ROT FUNGUS (MERULIUS LACRYMANS) IN THE AIR OF BUILDINGS. Allergy. 6(3). 168–174. 19 indexed citations
18.
Gregory, P. H.. (1952). Presidential address. Transactions of the British Mycological Society. 35(1). IN1–18. 29 indexed citations
19.
Gregory, P. H. & Stefanie Bressan Waller. (1951). Cryptostroma corticale and sooty bark disease of sycamore (Acer pseudoplatanus). Transactions of the British Mycological Society. 34(4). 579–IN10. 31 indexed citations
20.
Gregory, P. H.. (1951). DEPOSITION OF AIR‐BORNE LYCOPODIUM SPORES ON CYLINDERS. Annals of Applied Biology. 38(2). 357–376. 109 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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