For more information about all
the conifers of the Pacific Northwest,
see the main Northwest Conifers Web site:
(Best viewed on a computer or tablet.)
You can find interesting details about native conifers on this
Northwest Conifer Connections
For more detailed information about conifers of the Northwest, see the books and web sites below.
The Audubon Society Field Guide to North American Trees: Western Region by Elbert L. Little, 1980, Alfred A. Knopf, New York.
Northwest Trees by Stephen F. Arno and Ramona P. Hemmerly, 2007, The Mountaineers Books, Seattle.
Trees to Know in Oregon by Edward C. Jensen and Charles R. Ross, 2005, Oregon State University Extension Service.
Conifer Country by Michael Edward Kauffmann, 2012, Backcountry Press, Kneeland, California.
These Web sites are best viewed on a computer or tablet.
Common trees of the Pacific Northwest - Based on Trees to Know in Oregon.
Conifers of Western North America - Detailed information on conifers from the Gymnosperm Database at conifers.org
Silvics of North America - US Forest Service. Volume I covers information on habitat, life history and genetics of conifers.
Trees of Washington - PDF that includes conifers of Washington and Oregon.
Conifer Country - Companion to Conifer Country by Michael Edward Kauffmann.
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.
Oregon Flora Project Atlas - Shows the location of tree sightings in Oregon.
Hoyt Arboretum Plant Database - Shows the location of trees at Hoyt Arboretum, Portland.
© 2012 Ken Denniston