- Plant Sciences 5
- Plant Systematics/Taxonomy/Biogeography 3
- Agriculture 2
- Life Sciences, general 2
- Microbiology 2
- Plant Anatomy/Development 2
- Plant Ecology 2
- Applied Microbiology 1
- Cell Biology 1
- Environmental Engineering/Biotechnology 1
- Immunology 1
- Plant Genetics and Genomics 1
- Plant Physiology 1
- Tree Biology 1
- Zoology 1