Aljos Farjon

OCLC:491886847

Rune Halvorsen Økland / Tonje Økland / K. Rydgren

UOM:39015054417574

Spruce

Steven C. Grossnickle / National Research Council Canada

0660179598 / 9780660179599

Nature

Andrew Delmar Hopkins / Bert Holmes Hite / James H. Stewart / Lee Cleveland Corbett / Horace Atwood / T. F. Watson

UIUC:30112019920146

Corn

Hannu Viitanen

9157651159 / 9789157651150

Brown rot

Stan T. Lebow

MINN:31951D025260834

Balsam fir

Frank Ronco

MINN:31951D02995883F

Photosynthesis

Emil Klimo

MINN:31951D02015839L

Electronic books

John Herman Thickens

HARVARD:32044102888831

Spruce

Marinus Westveld

PSU:000033045757

Cutover lands

American Association of Economic Entomologists / Andrew Delmar Hopkins / Frank Hurlbut Chittenden / Leland Ossian Howard / United States. Bureau of Entomology

UIUC:30112009257566

Cutworms

Andrew Delmar Hopkins

HARVARD:32044102823531

Insect pests

Albert S. Hunter / Anselm Clyde Griffin / Donald Douglas Durost / Gerald N. Franks / Henry Howard Finnell / Jose Vicente-Chandler / Miron L. Heinselman / Norris W. Gilbert / Oris T. Robertson / Oscar K. Barnes / Ralph Dickieson Jennings / Robert Warren Cooper / Thomas James Army / Walter E. Chapman / William E. Hendrix / William S. Chepil / Charles Scott Shaw / Clifford Scharff Schopmeyer / Donald S. Black / Fernando Abruna / Glen Thomas Barton / Lauren M. Burtch / Neal P. Woodruff / Oliver L. McCaskill / Victor Leo Stedronsky / Warren Durward Hanson / Cuthbert Henry McDowell / Dennis H. Currie / Servando Silva / William H. Davis McGregor

UIUC:30112077115662

Black spruce

J. M. Schmid

UIUC:30112104125486

Engelmann spruce beetle

William Freeman Fox

UCAL:B3854144

Black spruce

J. A. Logan

UIUC:30112104125593

Spruce

Thomas Wright McConkey

MINN:31951D02964168Q

Pine

Walter Huber Meyer

MINN:30000010115842

Agriculture

Robert M. Frank / Barton M. Blum

MINN:31951P01093826O

Fir

Dale S. Solomon

UFL:31262087172309

Fir

Keith M. Reynolds

MINN:31951D02889114J

Spruce

Andrew Delmar Hopkins

UIUC:30112019925517

Agriculture

Arthur C. Hart / Herschel George Abbott / Edward R. Ladd

UIUC:30112104073439

Fir

Miroslaw M. Czapowskyj / Robert V. Rourke / Robert M. Frank

MINN:31951P01093925M

Clear-cutting

Robert R. Alexander

MINN:31951D029642343

Fir

Robert M. Frank / John C. Bjorkbom

UOM:39015095307925

Balsam fir

Roger S. Peterson

MINN:31951D02988449M

Fir

Warren Brokaw MacMillan

CORNELL:31924000647739

Plant anatomy

Robert R. Alexander

MINN:31951D02964277L

Aspen

Robert R. Alexander

MINN:31951D03009831F

Fir