Kirk C. Tonkel

USDA, Agricultural Research Service
Great Basin Rangelands Research Unit
920 Valley Road
Reno, NV
USA 89512
Email: ktonkel@unr.edu

Papers:
D0470 Natural enemies of perennial pepperweed, Lepidium latifolium L. (Capparales: Brassicaceae), an exotic weed of western rangelands, in its adventive range