You can find
interesting details about native conifers
on this blog:
Northwest Conifer Connections
The books and Web
sites listed below were used as
the information in this guide. You can find more detailed information
about native conifers there.
The Audubon Society
Guide to North American Trees: Western Region
by Elbert L.
Little, 1980, Alfred A. Knopf, New York.
Michael Edward Kauffmann, 2012, Backcountry Press, Kneeland, California.
Conifers of California
by Ronald M. Lanner, 1999, Cachma Press, Los Olivos.
Conifers of the
Slope by Michael
Edward Kauffmann, 2013, Backcountry Press,
Conifers of the World by James Eckenwalder, 2009, Timber Press, Portland, Oregon.
Flora of Oregon Volume
1: Pteridophytes, Gymnosperms, and Monocots, 2015, Oregon State
- An illustrated, comprehensive guide to the plants of Oregon
available at oregonflora.org.
A Handbook of the World's Conifers
by Aljos Farjon, 2010, Brill, Leiden-Boston.
A Natural History of
by Aljos Farjon, 2008, Timber Press, Portland, Oregon.
Stephen F. Arno and Ramona P. Hemmerly, 2007, The Mountaineers Books,
Trees in Canada
John Laird Farrar, 1995, Fitzhenry & Whiteside Limited,
Ontario. The newest edition, Trees
the of Northern United States and Canada,
is essentially the same.
Trees to Know
in Oregon by Edward C. Jensen, 2010, Oregon
University Extension Service.
Stephen Whitney, 1985, Alfred A. Knopf, New York.
The World of Northern
Evergreens by E. C. Pielou,
1988, Cornell University Press,
Ithaca and London.
On the Web
trees of the Pacific Northwest -
Based on Trees
The Gymnosperm Database - A comprehensive guide to conifers around the world.
Oregon Flora Project - The authoritative source
of information on the plants of Oregon.
of North America - US Forest
Service. Volume I covers
information on habitat, life history and genetics of conifers.
Country - Companion to Conifer
Country by Michael Edward
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
Flora Project Atlas - Shows the
tree sightings in Oregon.
Arboretum Plant Database - Shows
of trees at Hoyt Arboretum, Portland.