Leslie is a paleoethnobotanist, an archaeologist who specializes in identifying bits of plants preserved on archaeological sites, usually in the form of charcoal and occasionally as waterlogged wood or other plant parts. Through her consulting practice, Macrobotanical Analysis, she has worked on sites in eighteen states including Maryland, Florida, Iowa, Montana, Indiana, and Texas, including Fort St. Louis/Presidio La Bahia in Victoria County.
The John W. Stormont Lecture Series is free admission and open to the public.