Handbook of Northwestern plants /

A flora of northwest America : containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia. Vol. I. Phanerogamae...
by: Howell, Thomas, 1842-1912
Published: (1897)

A flora of northwest America /
by: Howell, Thomas, 1842-1912
Published: (1977)

Flora of the Pacific Northwest ; an illustrated manual /
by: Hitchcock, C. Leo (Charles Leo), 1902-1986
Published: (1973)

Wetland plants of Oregon & Washington /
by: Guard, B. Jennifer
Published: (1995)

Plants of the Pacific Northwest coast : Washington, Oregon, British Columbia & Alaska /
Published: (1994)

Northwest plant names and symbols for ecosystem inventory and analysis /
Published: (1976)

A school flora for the Pacific coast /
by: Jepson, Willis Linn, 1867-1946
Published: (1902)

Alpine and subalpine vegetation of the Wallowa, Seven Devils, and Blue Mountains /
by: Johnson, Charles G.
Published: (2004)

A manual of the higher plants of Oregon /
by: Peck, Morton Eaton, 1871-
Published: (1941)

A manual of the higher plants of Oregon.
by: Peck, Morton Eaton, 1871-
Published: (1961)

Root diseases in Oregon and Washington conifers.
Published: (1986)

Guide to the plants of the Wallowa Mountains of northeastern Oregon /
by: Mason, Georgia
Published: (1975)

Guide to the plants of the Wallowa Mountains of northeastern Oregon /
by: Mason, Georgia
Published: (2001)

Mountain plants of the Pacific Northwest : a field guide to Washington, western British Columbia, and southeastern Alaska /
by: Taylor, Ronald J., 1932-
Published: (1995)

Guidelines for forage resource evaluation within central Oregon pumice zone /
by: Volland, Leonard A.
Published: (1985)

Larval densities and trends of insect species associated with spruce budworms in buds and shoots in Oregon and Washington /
by: Carolin, V. M. (Valentine M.), 1918-
Published: (1980)

Plants of Crater lake national park /
by: Applegate, Elmer I.
Published: (1939)

Flora of southeastern Washington and of adjacent Idaho /
by: St. John, Harold, 1892-
Published: (1937)

Flora of Southeastern Washington : and of adjacent Idaho.
by: St. John, Harold, 1892-
Published: (1963)

Flora of southeastern Washington and of adjacent Idaho.
by: St. John, Harold, 1892-
Published: (1956)

Flora of southeastern Washington and adjacent Idaho /
by: Piper, Charles V. (Charles Vancouver), 1867-1926
Published: (1914)

Winter twigs : a wintertime key to deciduous trees and shrubs of northwestern Oregon and western Washington /
by: Gilkey, Helen M., 1886-1972
Published: (2001)

The mammals and life zones of Oregon /
by: Bailey, Vernon, 1864-1942
Published: (1936)

Mountain wild flowers of the Pacific Northwest /
by: Taylor, Ronald J., 1932-
Published: (1975)

Wayside wildflowers of the Pacific Northwest /
by: Strickler, Dee
Published: (1993)

Wildflowers of the pacific northwest /
by: Ulrich, Larry
Published: (1999)

Lewis Clark's Field guide to wild flowers of forest & woodland in the Pacific Northwest /
by: Clark, Lewis J. (Lewis John), 1907-1974
Published: (1984)

Wildflowers of the Pacific Northwest /
by: Turner, Mark, 1954 April 8-
Published: (2006)

Report of the exploring expedition to the Rocky Mountains in the year 1842 : and to Oregon and North California in the years 1843-44 /
by: Frémont, John Charles, 1813-1890
Published: (1845)

Handbook of plant science /
Published: (2007)

Trees, shrubs, and flowers to know in Washington /
by: Lyons, C. P. (Chester Peter), 1915-
Published: (1956)

The flora of the Palouse region : containing descriptions of all the spermatophytes and pteridophytes known to grow wild in the area within 35 kilometers of Pullman, Washington /
by: Piper, Charles V. (Charles Vancouver), 1867-1926
Published: (1901)

The lives of plants /
by: Stone, Doris M., 1918-
Published: (1983)

Vegetation of Northwestern North America as an aid in interpretation of geologic data /
by: Sigafoos, Robert Sumner, 1920-
Published: (1958)

Plants : their biology and importance /
Published: (1989)

Plants and society /
by: Levetin, Estelle
Published: (1996)