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Douglas Fir

Douglas fir 

You can find interesting details about native conifers on this blog: 
Northwest Conifer Connections

The books and Web sites listed below were used as sources for the information in this guide. You can find more detailed information about native conifers there. 

Books on Conifers of the Northwest

Conifer Country by Michael Edward Kauffmann

Conifers of the Pacific Slope by Michael Edward Kauffmann

Douglas Fir by Stephen F. Arono and Carle E. Fiedler

Golden Trees of the Mountain West by Stephen F. Arno.

Northwest Trees by Stephen F. Arno and Ramona P. Hemmerly

Ponderosa by Carl E. Fiedler and Stephen F. Arno

Timberline by Stephen F. Arno and Ramona P. Hammerly

Trees to Know in Oregon by Edward C. Jensen

Books on Conifers Around the World

The Audubon Society Field Guide to North American Trees: Western Region by Elbert L. Little

Conifers Around the World by Zsolt Debreczy and Istvan Racz

Conifers of California by Ronald M. Lanner

Conifers of the World by James Eckenwalder

Encyclopedia of Conifers by Aris G. Auders and Derek P. Spicer

A Handbook of the World's Conifers by Aljos Farjon

Lives of Conifers by Graham R. Powell

A Natural History of Conifers by Aljos Farjon

Trees in Canada by John Laird Farrar. The newest edition, Trees the of Northern United States and Canada, is essentially the same.

Western Forests by Stephen Whitney

The World of Northern Evergreens by E. C. Pielou

On the Web

Common trees of the Pacific Northwest - Based on Trees to Know in Oregon.

The Gymnosperm Database - A comprehensive guide to conifers around the world.

The Oregon Flora Project - The authoritative source of information on the plants of Oregon.

Silvics of North America - US Forest Service

Conifer Country - Companion to Conifer Country by Michael Edward Kauffmann


Maps

USGS Range Maps - Tree distribution maps from the US Geological Survey, based on U.S. Forest Service data. This is the source of the distribution maps in this guide. See the map included  with each species in Silvics of North America

Oregon Flora Project Atlas - Search for the location of tree sightings in Oregon.

Hoyt Arboretum Plant Database - Shows the location of trees at Hoyt Arboretum, Portland. 









































© 2012 Ken Denniston