| PLPA 1100 | Symbiotic Associations in Nature |
| PLPA 1200 | Evolution: Evaluating the Public Debate |
| PLPA 2010 | Magical Mushrooms, Mischievous Molds |
| PLPA 2010–2015 | Magical Mushrooms, Mischievous Molds |
| PLPA 2013 | Mushrooms, Molds, and More |
| PLPA 2015 | Mushrooms, Molds, and Molecules |
| PLPA 3010 | Biology and Management of Plant Diseases |
| PLPA 3090 | Fungi -- Not Offered This Year |
| PLPA 3190 | Mushrooms of Field and Forest |
| PLPA 3290 | Medical and Veterinary Mycology (also VETMI 3290) |
| PLPA 3940 | Circadian Rhythms (also ENTOM/BIOGD/BIONB 3940) |
| PLPA 4090 | Principles of Virology (also VETMI/BIOMI 4090) |
| PLPA 4161 | Microbes and Food: Contemporary Issues Affecting Humanity |
| PLPA 4190 | Agricultural Application of Plant Disease Concepts |
| PLPA 4200 | Grape Pest Management (also ENTOM/VIEN 4200) |
| PLPA 4330 | Ecology of Infectious Diseases |
| PLPA 4430 | Pathology of Trees and Shrubs -- Not Offered This Year |
| PLPA 4480 | Evolution and Ecology of Symbiotic Associations (also BIOMI 4480) |
| PLPA 4821–4822 | Molecular Plant-Pathogen Interactions I and II (also BIOPL 4821–4822) |
| PLPA 4823 | Molecular Plant-Microbe Interactions (also BIOPL/BIOMI 4823) |
| PLPA 4831 | Plant Molecular Biology I—Concepts and Techniques in Plant Molecular Biology (also BIOGD/BIOPL/PLBR 4831) |
| PLPA 4832 | Proteomics and Protein Mass Spectrometry in Biology (also BIOPL/PLBR 4832) |
| PLPA 4940 | Undergraduate Special Topics in Plant Pathology and Plant-Microbe Biology |
| PLPA 4970 | Independent Study in Plant Pathology and Plant-Microbe Biology |
| PLPA 4980 | Undergraduate Teaching Experience |
| PLPA 4990 | Undergraduate Research |
| PLPA 6010 | Concepts of Plant Pathology and Plant-Microbe Biology |
| PLPA 6020 | Biology of Plant Pathogens |
| PLPA 6080 | Genomics of Bacterium–Host Interactions (also BIOMI 6080) -- Not Offered This Year |
| PLPA 6380 | Filamentous Fungal Genomics and Development (also BIOGD 6380) -- Not Offered This Year |
| PLPA 6420 | Pathogen Population Biology |
| PLPA 6440 | Current Topics in Oomycete Biology |
| PLPA 6450 | Plant Virology |
| PLPA 6490 | Fungal Biology |
| PLPA 6500 | Diseases of Vegetable Crops |
| PLPA 6520 | Field Crop Pathology |
| PLPA 6600 | Special Topics in Plant Disease Management |
| PLPA 6610 | Diagnostic Lab Experience |
| PLPA 6810 | Plant Pathology and Plant-Microbe Biology Seminar |
| PLPA 6820 | Graduate Student Research Updates |
| PLPA 6940 | Graduate Special Topics in Plant Pathology and Plant-Microbe Biology |
| PLPA 7880 | Research in Molecular Plant Pathology |
| PLPA 7970 | Special Topics Independent Study |
| PLPA 7980 | Graduate Teaching Experience |
| PLPA 7990 | Graduate-Level Thesis Research |
| PLPA 8900 | Master’s-Level Thesis Research |
| PLPA 9900 | Doctoral-Level Thesis Research |
