- Plant Sciences 224
- Agriculture 100
- Plant Physiology 73
- Plant Genetics and Genomics 65
- Plant Pathology 53
- Ecology 39
- Tree Biology 39
- Biotechnology 35
- Cell Biology 18
- Plant Breeding/Biotechnology 18
- Plant Ecology 17
- Soil Science & Conservation 15
- Chemistry/Food Science, general 14
- Life Sciences, general 14
- Organic Chemistry 14
- Plant Anatomy/Development 14
- Plant Systematics/Taxonomy/Biogeography 14
- Forestry 13
- Microbiology 12
- Biochemistry, general 10