- Plant Sciences 30
- Agriculture 20
- Plant Physiology 9
- Tree Biology 9
- Ecology 6
- Plant Genetics and Genomics 5
- Plant Breeding/Biotechnology 4
- Biotechnology 3
- Eukaryotic Microbiology 3
- Medical Microbiology 3
- Microbial Ecology 3
- Microbiology 3
- Plant Anatomy/Development 3
- Plant Ecology 3
- Plant Pathology 3
- Soil Science & Conservation 3
- Forestry 2
- Biochemistry, general 1
- Bioinformatics 1
- Biological Techniques 1