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Researcher · Pennsylvania Academy of Science · United States

Francis W. Pennell

Francis W. Pennell publishes mostly in Ecology, Evolution, Behavior and Systematics, Plant Science and Food Science, on topics such as Botany, Ecology, and Taxonomy Studies, Plant Taxonomy and Phylogenetics and Plant Diversity and Evolution.

OpenAlex
World rank
#1,520,977
of 1,633,909 ranked researchers
Rank in United States
#342,633
of 358,040
Works
22
Citations
6
Citations per work
0.3

What does Francis W. Pennell research?

Ecology, Evolution, Behavior and Systematics: 38.7%Plant Science: 32.3%Food Science: 6.5%History: 3.2%other fields: 19.3%39%top field
Ecology, Evolution, Behavior and Systematics38.7%Plant Science32.3%Food Science6.5%History3.2%other fields19.3%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Ecology, Evolution, Behavior and Systematics39% of their works
  2. 2Plant Science32% of their works
  3. 3Food Science6% of their works
  4. 4History3% of their works
  5. 5Molecular Biology3% of their works
  6. 6Pharmacology3% of their works

Research topics

Which keywords describe Francis W. Pennell's research?

The keywords of their largest research topics: Biogeography, Phylogeny, Medicinal Plants, Antioxidant, Cyperus, Evolution, Polyploidy and Taxonomy.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 22 words, with their numbers
  1. Biogeography94 topics
  2. Phylogeny94 topics
  3. Medicinal Plants62 topics
  4. Antioxidant41 topic
  5. Cyperus41 topic
  6. Evolution42 topics
  7. Polyploidy42 topics
  8. Taxonomy42 topics
  9. Angiosperm Phylogeny31 topic
  10. Apomixis31 topic
  11. Ecosystem Services31 topic
  12. Flowering Plants31 topic
  13. Grasses31 topic
  14. Pollinator Decline31 topic
  15. Ethnobotany21 topic
  16. Pharmacological Studies21 topic
  17. Plant Hormones21 topic
  18. Strigolactones21 topic
  19. Brassicaceae11 topic
  20. Epiphytes11 topic
  21. Ferns11 topic
  22. molecular systematics11 topic

Where does Francis W. Pennell work?

Francis W. Pennell's main affiliation in the publication record is Pennsylvania Academy of Science, United States.

How many publications and citations does Francis W. Pennell have?

Science Explorer counts 22 works and 6 citations for Francis W. Pennell, ranking #1,520,977 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.