- The turfgrass species tour introduces you to each grass species used for a turf somewhere in the United States. After viewing the information provided for each species organized by name, proceed to any one of the three remaining species index. These indexes (location, adaptation, and use) provide a listing of the turfgrass species best suited for each category. An example might be a listing of ...www.turf.uiuc.edu/turfSpecies/tourseason/Tour.html