Pinus ponderosa (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pinus ponderosa" in Dutch language version.

refsWebsite

Global rank Dutch rank

6^th place

25^th place

low place

americanforests.org

Moore, Gerry; Kershner, Bruce; Craig Tufts; Daniel Mathews; Gil Nelson; Spellenberg, Richard; Thieret, John W.; Terry Purinton; Block, Andrew (2008). National Wildlife Federation Field Guide to Trees of North America. Sterling, New York, 89. ISBN 1-4027-3875-7.
Schoenherr, AA (1995). A Natural History of California. University of California Press, 111. ISBN 9780520069220.