Winter twigs : a wintertime key to deciduous trees and shrubs of northwestern Oregon and western Washington /

Major indicator shrubs and herbs on national forests of western Oregon and southwestern Washington /
by: Halverson, Nancy M.
Published: (1986)

Winter botany : a companion volume to the author's Plant materials of decorative gardening /
by: Trelease, William, 1857-1945
Published: (1918)

Plants of western Oregon, Washington & British Columbia /
by: Kozloff, Eugene N.
Published: (2005)

A field guide to important forest insects and diseases of Oregon and Washington /
by: Pettinger, L. F.
Published: (1982)

The design characteristics of plant materials ; plant form studies.
by: Robinette, Gary
Published: (1967)

Trees & shrubs of Kentucky /
by: Wharton, Mary E., 1912-1991
Published: (1973)

Major indicator shrubs and herbs on national forests of eastern Oregon /
by: Hopkins, William E.
Published: (1985)

Trees and shrubs of Colorado /
by: Carter, Jack L.
Published: (1988)

Alaska trees and shrubs /
by: Viereck, Leslie A., et al.

Trees and shrubs of Virginia /
by: Gupton, Oscar W.
Published: (1981)

Trees of Ontario, including tall shrubs /
by: Kershaw, Linda, 1951-
Published: (2001)

Trees and shrubs of Minnesota : the complete guide to species identification /
by: Smith, Welby R. (Welby Richmond)
Published: (2008)

Principal range plants of the central and southern Rocky Mountains : names and symbols /
Published: (1976)

Identification of southeastern trees in winter /
by: Preston, Richard J. (Richard Joseph), 1905-2001
Published: (1981)

Alaska trees and shrubs /
by: Viereck, Leslie A.
Published: (1986)

Alaska trees and shrubs /
by: Viereck, Leslie A.
Published: (2007)

Trees and bushes of Europe /
by: Polunin, Oleg
Published: (1976)

Winter botany /
by: Trelease, William, 1857-1945
Published: (1967)

Trees and shrubs of the Southeast /
by: Dean, Blanche Evans
Published: (1988)

Skogens träd och buskar /
by: Vedel, Helge
Published: (2004)

Roadside trees and shrubs of Oklahoma /
by: McCoy, Doyle, 1917-
Published: (1981)

Roadside trees and shrubs of Oklahoma /
by: McCoy, Doyle, 1917-
Published: (1981)

Trees and shrubs of the Trans-Pecos and adjacent areas /
by: Powell, A. Michael
Published: (1998)

Trees & shrubs of Trans-Pecos Texas : including Big Bend and Guadalupe Mountain National Parks /
by: Powell, A. Michael
Published: (1988)

Trees and shrubs of New Zealand /
by: Poole, A. L.
Published: (1990)

Trees and shrubs for temperate climates /
by: Courtright, Gordon
Published: (1988)

Field guide to the grasses of Oregon and Washington /
by: Roché, Cindy Talbott, et al.
Published: (2019)

City of Trees : the complete guide to the trees of Washington, D.C. /
by: Choukas-Bradley, Melanie
Published: (1987)

Forest flora of British Burma /
by: Kurz, Sulpiz, 1833?-1878
Published: (1877)

Field guide to the Sedges of the Pacific Northwest / by Barbara L. Wilson ... [et al.].
Published: (2008)

Trees and shrubs of the southwestern deserts /
by: Benson, Lyman David, 1909-1993
Published: (1981)

A field guide to the trees and shrubs of the southern Appalachians /
by: Swanson, Robert E., 1915-
Published: (1994)

A field guide to trees and shrubs ; field marks of all trees, shrubs, and woody vines that grow wild in the northeastern and north-central United States and in southeastern and south-central Canada /
by: Petrides, George A.
Published: (1972)

Trees and shrubs of British Columbia /
by: Brayshaw, T. C.
Published: (1996)

A field guide to ethnobotanical plants of the Winema National Forest.
by: Emanuel, Robert M.
Published: (1994)

Major indicator shrubs and herbs on national forests of eastern Washington /
by: Williams, Clinton K.
Published: (1987)