Professor, environmental studies
Pure and applied plant community and population ecology and related environmental topics
Professor emeritus, plant pathology; director, Wisconsin Fast Plants Program and Rapid Cycling Brassica Collection
Use of special plants as teaching vehicles in school and college, and in plants for research.
Professor, biochemistry; member, Genome Center of Wisconsin
Expert in plant biochemistry, bioenergy, regulation of flowering, and genetically modified organisms (GMO).
Professor, plant pathology; science adviser to dean of International Studies
Expert in plant molecular biology and biotechnology, especially in relation to agriculture
Distinguished faculty associate, botany
Expert on greenhouse, botanical garden and selected plants for teaching
Senior lecturer, Nelson Institute for Environmental Studies
Expert in wetland flora and fauna
Senior outreach specialist, Arboretum
Expert on native plant gardening, sustainable gardening practices, bumble bee conservation, rusty-patched bumble bee, southern Wisconsin bumble bees, and citizen-based monitoring.