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Researcher · Royal Botanic Garden Sydney · Australia

L. A. S. Johnson

L. A. S. Johnson publishes mostly in Ecology, Evolution, Behavior and Systematics, Plant Science and Molecular Biology, on topics such as Plant Diversity and Evolution, Plant and Fungal Species Descriptions and Botany, Ecology, and Taxonomy Studies.

OpenAlex
World rank
#1,425,362
of 7,710,434 ranked researchers
Rank in Australia
#44,283
of 140,210
Works
47
Citations
2.1k
Citations per work
44.7
h-index
14
i10-index 15Top 32% in Ecology, Evolution, Behavior and Systematics
L. A. S. Johnson

What does L. A. S. Johnson research?

L. A. S. Johnson's work is mostly in Agricultural and Biological Sciences (71%), Biochemistry, Genetics and Molecular Biology (14%), Environmental Science (2%).

Life Sciences: 40 works · 85.6% of their workAgricultural and Biological Sciences: 33 works · 71.2% of their workEcology, Evolution, Behavior and Systematics: 20 works · 41.6% of their workPlant Science: 11 works · 22.4% of their workInsect Science: 2 works · 4.8% of their workFood Science: 1 works · 2.4% of their workBiochemistry, Genetics and Molecular Biology: 7 works · 14.4% of their workMolecular Biology: 7 works · 14.4% of their workEverything else: 6 works · 12.0% of their workPhysical Sciences: 1 works · 2.4% of their workEnvironmental Science: 1 works · 2.4% of their workHealth, Toxicology and Mutagenesis: 1 works · 2.4% of their workTHEIR WORKL. A. S. Johnson47works
Life Sciences86%Physical Sciences2%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Agricultural and Biological Sciences3371.2%
    2. Biochemistry, Genetics and Molecular Biology714.4%
  2. Everything else612.0%
    1. Environmental Science12.4%
  1. 1Ecology, Evolution, Behavior and Systematics42% of their works
  2. 2Plant Science22% of their works
  3. 3Molecular Biology14% of their works
  4. 4Insect Science5% of their works
  5. 5Health, Toxicology and Mutagenesis2% of their works
  6. 6Food Science2% of their works

Research topics

Which keywords describe L. A. S. Johnson's research?

The keywords of their largest research topics: Biogeography, Molecular Phylogeny, Angiosperm Phylogeny, Flowering Plants, Phylogeny, Gesneriaceae, phylogenetic reconstruction and Antioxidant.

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 20 words, with their numbers
  1. Biogeography514 topics
  2. Molecular Phylogeny262 topics
  3. Angiosperm Phylogeny231 topic
  4. Flowering Plants231 topic
  5. Phylogeny223 topics
  6. Gesneriaceae131 topic
  7. phylogenetic reconstruction131 topic
  8. Antioxidant121 topic
  9. Cyperus121 topic
  10. Ecosystem Services111 topic
  11. Pollinator Decline111 topic
  12. Polyploidy102 topics
  13. Apomixis71 topic
  14. Grasses71 topic
  15. Plant Hormones41 topic
  16. Strigolactones41 topic
  17. Epiphytes31 topic
  18. Ferns31 topic
  19. Lupin Seeds31 topic
  20. Secondary Metabolites31 topic

Where does L. A. S. Johnson work?

L. A. S. Johnson's main affiliation in the publication record is Royal Botanic Garden Sydney, Australia.

How many publications and citations does L. A. S. Johnson have?

OpenAlex counts 47 works and 2,102 citations for L. A. S. Johnson, an h-index of 14, ranking #1,425,362 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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