Pinyon pine - Pinus edulis (NPS photo by Neal Herbert) 

Tree Species and Tree Families

 Overviews/Keys:

• Gymnosperm Database http://www.conifers.org/ 
• Tree Identification Jan 2006
• USDA Plants Database http://plants.usda.gov/index.html 
• Tree List http://www.fs.fed.us/database/feis/plants/tree/ 
• Silvics of North America http://www.na.fs.fed.us/Spfo/pubs/silvics_manual/table_of_contents.htm United States Department of  Agriculture, Forest Service, Agriculture Handbook 654.  Russell M. Burns and Barbara H. Honkala, Technical Coordinators
• Pollen Viewer  http://www.ncdc.noaa.gov/paleo/pollen/viewer/
• Nearrctica Conifers of North America http://www.nearctica.com/trees/conifer/index.htm 
• Flora of North America http://hua.huh.harvard.edu/FNA/ 
• Clickable Species / Climate Zone Map http://www.cnr.vt.edu/dendro/dendrology/map/zonemap.cfm  
• OLDLIST http://www.rmtrr.org/oldlist.htm s a database of ancient trees.  Its purpose is to identify maximum ages that different species can attain such that exceptionally old age individuals may be recognized. 

• Giant Sequoia #2  December 9, 2009
• Giant Sequoia #1  December 9, 2009
• Ponderosa pine, Southern California, December 9, 2009
• California Oaks / Valley oak December 9, 2009
• California Oaks / Engelmann oak #2 Decmeber 8, 2009
• California Oaks / Engelmann oak #1 December 8, 2009
• Bristlecone-PartTwo.htm December 8, 2009 (,
• Bristlecone-PartOne.htm December 8, 2009 ( Bristlecone Pines - Part One - Patriarch Grove - PART ONE,  PART ONE - 2008)
• California Oaks / Coast Live Oak#2 December 6, 2009
• California Oaks / Coast Live Oak #1 December 6, 2009
• California oaks / California black oak December 1, 2009
• Oak question Nov 30, 2009
• California oaks / canyon oak Nov 29, 2009 canyon oak (photo)
• Bristlecone Pines as signals of climate change Nov. 17, 2009
• NTS Foxtail Report  (Old-growth Foxtail Pine Ecosystem) Nov. 8, 2009
• National Geographic- The Great Redwoods, October 2009
• NatGeo Redwood Composite photos!  October 2, 2009
• California White Fir July 12, 2009

Pines

• North American Pines
  • North American White Pines March 2005
  • Blister Rust in Western Pines May 2008
• Western Pines
  • Western Pine Structure Dec 2002
  • Western White Pines June 2008
• Bristlecone Pine
  • Bristlecone Pine Cloned June 2003
• Coulter/Jeffries Pine 
  • Pine Cones June 2003
• Ponderosa Pine
  • Admiring A Great Pine in Oregon July 2003
  • Ponderosa Pine August 2002
  • Ponderosa Pines: Rugged Trees With A Sweet Smell August 19, 2009