Evaluation of an index of biotic integrity : temporal variability and regional application in the midwest /

Mode of access: Internet.

Plants, people, and paleoecology : biotic communities and aboriginal plant usage in Illinois /

Includes index.

The biotic associations of cockroaches,

Index: p. 441-470.

Fomes annosus in the southeastern United States : relation of environmental and biotic factors to stump colonization and losses in the residual stand /

Literature cited: p. 24-26.