Bonnie L. Heidel

Monitoring Study of Cirsium Longistylum , a Candidate Threatened Species

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

Botanical survey of the Scratchgravel Hills, Lewis and Clark County, Montana

Monitoring study of cirsium longistylum (long-styled thistle), a candidate threatened species

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

The effects of fire on Lemhi penstemon (Penstemon lemhiensis)

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

Conservation status of Rorippa calycina (persistent-sepal yellowcress) in Montana

Sensitive plant species survey at the southern end of the Elkhorn Mountains, Broadwater and Jefferson Counties, Montana

Survey for Quercus macrocarpa in the Powder River Resource Area, Miles City District, Bureau of Land Management, Montana

Survey for Psoralea hypogaea in the Great Falls Resource Area, Lewistown District, Bureau of Land Management, Montana

Plant species of concern and plant associations of Powder River county, Montana

Sensitive plant species survey, Ashland District, Custer National Forest, Powder River and Rosebud Counties, Montana

Status review of sword townsendia (Townsendia spathulata) and Limestone Hills survey Broadwater County, Montana

Monitoring Shoshonea pulvinata in the Pryor and Beartooth Mountains, Carbon County, Montana

Rare plants of Bighorn Canyon National Recreation Area

Demographic monitoring of Penstemon lemhiensis, Dillon Resource Area, Bureau of Land Management

Sensitive plant species surveys, Butte District, Beaverhead and Madison Counties, Montana

Plant species of special concern and plant associations of Sheridan County, Montana

Conservation status of Spiranthes diluvialis Sheviak in Montana

Sensitive plant species survey, Garfield and McCone Counties, Montana

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

Woodhawk botanical survey, Fergus County, Montana, Lewistown District of the Bureau of Land Management

Wyoming's threatened and endangered plant species

Monitoring Ute Ladies'-tresses (Spiranthes diluvialis), in Jefferson County, Montana

Report on the conservation status of Erigeron lackschewitzii

Sensitive plant survey in the Sweetgrass Hills, Liberty and Toole Counties, Montana

Plant species of concern