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Researcher · Royal Botanic Gardens, Kew · United Kingdom

R. E. Holttum

R. E. Holttum publishes mostly in Ecology, Evolution, Behavior and Systematics, Plant Science and Molecular Biology, on topics such as Plant Diversity and Evolution, Fern and Epiphyte Biology and Plant and animal studies.

OpenAlex
World rank
#110,378
of 1,633,909 ranked researchers
Rank in United Kingdom
#10,438
of 90,785
Works
57
Citations
297
Citations per work
5.2

What does R. E. Holttum research?

Ecology, Evolution, Behavior and Systematics: 54.7%Plant Science: 13.3%Molecular Biology: 12.0%Geography, Planning and Development: 4.0%other fields: 16.0%55%top field
Ecology, Evolution, Behavior and Systematics54.7%Plant Science13.3%Molecular Biology12.0%Geography, Planning and Development4.0%other fields16.0%

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 Systematics55% of their works
  2. 2Plant Science13% of their works
  3. 3Molecular Biology12% of their works
  4. 4Geography, Planning and Development4% of their works
  5. 5Nature and Landscape Conservation3% of their works
  6. 6Ecology3% of their works

Research topics

Which keywords describe R. E. Holttum's research?

The keywords of their largest research topics: Biogeography, Phylogeny, Angiosperm Phylogeny, Biodiversity, Flowering Plants, Invasive Species, Epiphytes and Ferns.

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 24 words, with their numbers
  1. Biogeography424 topics
  2. Phylogeny182 topics
  3. Angiosperm Phylogeny151 topic
  4. Biodiversity153 topics
  5. Flowering Plants151 topic
  6. Invasive Species153 topics
  7. Epiphytes141 topic
  8. Ferns141 topic
  9. Climate Change132 topics
  10. Global Change122 topics
  11. Habitat Fragmentation122 topics
  12. Ecosystem Services101 topic
  13. Pollinator Decline101 topic
  14. Gesneriaceae91 topic
  15. phylogenetic reconstruction91 topic
  16. Conservation52 topics
  17. Antioxidant41 topic
  18. Cyperus41 topic
  19. Flora31 topic
  20. Pacific Islands31 topic
  21. Vascular Plants31 topic
  22. settlement31 topic
  23. Ecosystem21 topic
  24. Functional Diversity21 topic

Where does R. E. Holttum work?

R. E. Holttum's main affiliation in the publication record is Royal Botanic Gardens, Kew, United Kingdom.

How many publications and citations does R. E. Holttum have?

Science Explorer counts 57 works and 297 citations for R. E. Holttum, ranking #110,378 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.