Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1899)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2001)

Castilleja : the newsletter of the Wyoming Native Plant Society - Wyoming Native Plant Society. (Wyoming Native Plant Society, 2012)

Coefficient of conservatism rankings for the flora of Montana Part II - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2016)

Coefficient of conservatism rankings for the flora of Montana. report to the Montana Department of Environmental Quality, Helena, Montana Part I - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2015)

Coefficient of conservatism rankings for the flora of Montana Part III - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2017)

Coefficient of conservatism rankings for the flora of Montana Part II - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2016)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1899)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1909)

Flora of the Rocky Mountains and adjacent plains : Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, North Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (Rydberg, 1917)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1917)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1917)

Flora of the Rocky Mountains and adjacent plains, Colorado, Utah, Wyoming, Idaho, Montana, Saskatchewan, Alberta, and neighboring parts of Nebraska, South Dakota, and British Columbia - Rydberg, Per Axel, 1860 -1931 (The author, 1917)

Interior Columbia Basin ecosystem management project : analysis of vascular plants - Shelly, J. Stephen (U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station], 1997)

Interior Columbia Basin ecosystem management project : analysis of vascular plants - Shelly, J. Stephen (U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station], 1997)

Leaflets of western botany - Eastwood, Alice, 1859 -1953 ([J. T. Howell], 1947)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1989)

Plant species of concern - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2006)

Plant species of concern - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2003)

Rare, sensitive, and threatened species of the greater Yellowstone ecosystem - Clark, Tim W. (Northern Rockies Conservation Cooperative, 1989)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive plant surveys in the Gallatin National Forest, Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1994)

Sensitive, threatened, and endangered vascular plants of Montana - Lesica, Peter. (Montana Natural Heritage Program, Montana State Library, 1991)

Sensitive, threatened, and endangered vascular plants of Montana - Lesica, Peter. (Montana Natural Heritage Program, Montana State Library, 1991)

Studies on Rocky Mountain flora - Rydberg, Per Axel, 1860 -1931 (New York Botanical Garden, 1899)

University of California publications in botany - University of California, Berkeley. (University of California Press, 1921)

Vegetation and flora of the Line Creek Plateau area, Carbon County, Montana - Lesica, Peter. (Montana Natural Heritage Program, 1993)