Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1907)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1907)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1912)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1906)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1921)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1909)

Bulletin - United States. Bureau of Plant Industry. (G.P.O, 1909)

Bulletins on forest pathology : from Bulletin U.S.D.A., Washington, D.C., 1913-1925] - United States. Department of Agriculture. (U.S. Dept. of Agriculture, 1913)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1906)

The Florists' exchange : a weekly medium of interchange for florists, nurserymen, seedsmen and the trade in general ([A.T. De la Mare Ptg. and Pub. Co, 1916)

Florists' review (Florists' Pub. Co, 1916)

The Garden: an illustrated weekly journal of gardening in all its branches (1916)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1906)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1906)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1916)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1916)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1916)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1921)

The Gardeners' chronicle :a weekly illustrated journal of horticulture and allied subjects ([Gardeners Chronicle], 1921)

An illustrated flora of the Pacific States: Washington, Oregon, and California - Abrams, Le Roy, 1874 -1956 (Stanford University Press, 1944)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCVI usque ad finem anni MDCCCCX complectens Supplementum quartum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1913)

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)

Investigations of the white-pine blister rust - Spaulding, Perley (U.S. Dept. of Agriculture, 1922)

Investigations of the white-pine blister rust - Spaulding, Perley (U.S. Dept. of Agriculture, 1922)

John Thomas Howell botanical collecting notebook - California Academy of Sciences. Department of Botany. (1937)

John Thomas Howell botanical collecting notebook - California Academy of Sciences. Department of Botany. (1937)

Journal of the Royal Horticultural Society of London - Horticultural Society of London (Printed for the Royal Horticultural Society by Spottiswoode & Co, 1916)

Journal of the Royal Horticultural Society of London - Horticultural Society of London (Printed for the Royal Horticultural Society by Spottiswoode & Co, 1916)

Journal of the Royal Horticultural Society of London - Horticultural Society of London (Printed for the Royal Horticultural Society by Spottiswoode & Co, 1918)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1899)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1904)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1906)

Just's Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebruder Borntraeger, 1906)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Lepidoptera of the Pacific Northwest : caterpillars and adults - Hammond, Paul C. (Forest Health Technology Enterprise Team, U.S. Dept. of Agriculture, Forest Service, 2003)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1906)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1912)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1900)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1900)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1900)

My garden in spring - Bowles, E. A. (Edward Augustus), 1865 -1954 (Dodge Pub. Co, 1914)

National list of scientific plant names - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service, 1982)

North American flora - New York Botanical Garden (New York Botanical Garden, 1908)

Preliminary plant associations of the Siskiyou Mountain Province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, 1984)

Preliminary plant associations of the Siskiyou Mountain Province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, 1984)

Preliminary plant associations of the Siskiyou Mountain Province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, 1984)

Preliminary plant associations of the Southern Oregon Cascade Mountain province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, Siskiyou National Forest, 1990)

Revue horticole (Librairie agricole de la maison rustique, 1909)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1907)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1907)

Seeds and plants imported - United States. Department of Agriculture. (G.P.O, 1909)

Trees and shrubs, hardy in the British isles - Bean, W. J. (William Jackson), 1863 -1947 (J. Murray, 1914)

Trees and shrubs hardy in the British Isles - Bean, W. J. (William Jackson), 1863 -1947 (J. Murray, 1916)

Unsere Freiland-Laubgehölze, Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze, unter Mitwirkung von István Graf Ambrózy-Migazzi, Georg Arends, C. Heicke, Herm. A. Hesse, P. Kache, Wilhelm Kesselring, A. Purpus, Alfred, Rehder, Prof. Schwappach, Fritz Graf Schwerin, Hellmut Spaeth, Egbert Wolf und Franz Zeman. Hrsg. von Ernst Graf Silva Tarouca und Camillo Schneider - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky A.G.; [etc.], 1922)

Unsere Freiland-Laubgehölze, Anzucht, Pflege und Verwendung aller bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze, unter Mitwirkung von István Graf Ambrózy-Migazzi, Georg Arends, C. Heicke, Herm. A. Hesse, P. Kache, Wilhelm Kesselring, A. Purpus, Alfred, Rehder, Prof. Schwappach, Fritz Graf Schwerin, Hellmut Spaeth, Egbert Wolf und Franz Zeman. Hrsg. von Ernst Graf Silva Tarouca und Camillo Schneider - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky A.G.; [etc.], 1922)

Unsere Freiland-Laubgehölze; Anzucht, Pflege und Verwendung aller Bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky, 1922)

Unsere Freiland-Laubgehölze; Anzucht, Pflege und Verwendung aller Bekannten in Mitteleuropa im freien kulturfähigen Laubgehölze - Schneider, Camillo, 1876 -1951 (Hölder-Pichler-Tempsky, 1922)

Zoe:a biological journal (Zoe Publishing Co, 1901)