- Sensitive, Threatened, and Endangered Vascular Plants of Montana: 1991
- Status Review and Taxonomic Studies of Astragalus Molybdenus, U.S.D.A. Forest Service, Region 1, Lewis and Clark National Forest
- Status Review and Taxonomic Studies of Astragalus Molybdenus, U.S.D.A. Forest Service, Region 1, Lewis and Clark National Forest: 1990
- Report on the Conservation Status of Trisetum Orthochaetum, a Candidate Endangered Species: 1986
- Report on the Conservation Status of Grindelia Howellii, a Candidate Threatened Species