Fungi Mycology 108 Algae 33 Bacteria 29 mycology 28 Botany 17 Plant diseases 17 Microbiology 15 Plant pathogens 15 Viruses 15 Plant pathogenic fungi 14 Taxonomy 14 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 13 Biotechnology 12 Biology 10 Fungal diseases 10 Taxonomy and Evolution 10 Lichens 9 Biological Control 8 Biological control 8 Natural enemies 8 Plant Pests, (New March 2000) 8 Plant disease control 8 Protozoa 8 Ecology 7 Industrial microbiology 7 Insects 7 Metabolism 7 Morphology 7 Plant pathology 7