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

Aspen

• Aspen clones

Bristlecone Pine

• Bristlecone Pine Cloned June 2003

Cottonwood

• Grand Canyon Cottonwood Feb 2005

Coulter/Jeffries Pine 

• Pine Cones June 2003

Creosote Bush

• Creosote Bush May be oldest Living Thing on Earth May 2002

Juniper

• Jardine Juniper, UT Aug 2004

Nordmann Fir

• Abies nordmanniani

Ponderosa Pine

• Admiring A Great Pine in Oregon July 2003

• Ponderosa Pine August 2002

Redwood

• New World's Tallest Tree, CA BVP July 2006/Aug 2006

• Redwoods in Nature April 2004

• Redwood Burl March 2004

Rocky Mountain Juniper

• Rocky Mountain Juniper question Dec 2007

Western Hemlock

• Tree Tenacity (photo)

Western Pines

• Western Pine Structure Dec 2002

• Western White Pines June 2008

North American Pines

• North American White Pines March 2005

• Blister Rust in Western Pines May 2008