Bonnie L. Heidel

Sensitive plant species survey, Garfield and McCone Counties, Montana

Sensitive plant survey in the Sioux District, Custer National Forest, Carter County, Montana, and Harding County, South Dakota

Conservation status of Spiranthes diluvialis Sheviak in Montana

Survey of Cypripedium calceolus, U.S.D.I. Bureau of Land Management, Butte District, Garnet Resource Area, Montana

Survey of Cypripedium Calceolus, U. S. D. I. Bureau of Land Management, Butte District, Garnet Resource Area, Montana

Monitoring Study of Cirsium Longistylum , a Candidate Threatened Species

Status Review of Sword Townsendia and Limestone Hills Survey Broadwater County, Montana